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shibashis

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  • Attachment image

    AB = 6, AD = 3, DE = 2, and BDE = 90 degrees, ACB = 90 degrees. How to construct this triangle?

    This question was put up by someone few days back asking for measure of BC. My problem is that I could not even construct the triangle. The locus of E is from the tangent point from A to the circle with centre D & the intersecting point of the circle and AC. (Yellow arc) In this diagram BDE is not 90.

    NOTE:-- AB≠CD

    The triangle is unique with the given inputs.

    1 AnswerMathematics6 years ago
  • Attachment image

    AB = 6, AD = 3, DE = 2, and BDE = 90 degrees, How to construct this triangle?

    This question was put up by someone few days back asking for measure of BC. My problem is that I could not even construct the triangle. The locus of E is from the tangent point from A to the circle with centre D & the intersecting point of the circle and AC. (Yellow arc) In this diagram BDE is not 90.

    1 AnswerMathematics6 years ago
  • Why does my wife sleep with my sons?

    I am separated for 1 year and not having any relation with my (ex)wife for almost 2 years. From the beginning since they (twins) were babies she will sleep with them. She never listened to my objections. Even now when my sons are 15 they continue to sleep with their mom. I always had a 2 bedroom accomodation and always had a bedroom made for my sons where unfortunately I had to sleep. That is the main cause of my separation. My wife has a brother who is 37 year old, doesn't work, is not married, does not have a girlfriend and smokes a cigarette brand that is 3 times costlier than the one I smoke. I don't think that is natural and do not want my sons to grow up like him. My father-in-law is no more but when we were getting married he used to sleep in a separate room alone. My (ex)wife started shouting last night when I objected to her sleeping with my sons and challenged me to do anything. But what can I do?

    3 AnswersMarriage & Divorce6 years ago
  • Attachment image

    Can anybody suggest a simpler method. Geometry construction problem.?

    A circle with centre O is inscribed in square. Let P be a vertex with PA & PB tangent to the circle.

    How to construct a circle with PA, PB tangents and touching the circle at Q.

    I joined OP and divided PQ in the ratio

    √2 : 1 = PO' : O'Q.

    Then O' is the centre of the circle.

    1 AnswerMathematics6 years ago
  • Is there a simpler method?

    I have actually divided PQ in the ratio √2:1

    to find O' the centre of the red circle.

    1 AnswerMathematics6 years ago
  • Is it coincidence?

    You differentiate volume of sphere you get surface area, cylinder again you get surface area except top & bottom, cube 1/2 surface area.

    1 AnswerMathematics6 years ago
  • Construction of tangent.?

    Two circles attached to each other at one point (of different diameters). How to construct a common tangent?

    2 AnswersMathematics6 years ago
  • What s the rule? 100 ÷ 4 ÷ 5 ÷ 5?

    = 25 ÷ 5 ÷ 5

    = 5 ÷ 5

    = 1

    or,

    100 ÷ 4 ÷ 1

    = 100 ÷ 4

    = 25

    2nd one obviously wrong but why?

    2 AnswersMathematics6 years ago
  • Is Viagra an over the counter drug?

    Or you will need prsecriptions?

    I have used it once and the result is great I could have intercourse twice with the same erection. Can I take it regularly?

    1 AnswerMedicine6 years ago
  • A model of the Universe considering the energy equivalence of mass. Possible?

    We have certain unanswered questions in Astrophysics like those concerning dark matter, black holes etc.

    I feel for mathematical purposes and also imagination we can think of matter as a bundle of energy equivalent to E=mc^2. Once we get rid of matter we can calculate the total energy content during Big Bang and get a fair estimate of the total mass of Universe. In the stellar reactions every moment huge energies are produced which is actually destroyed matter and this is going on for 14bn years across the Universe. This way we can estimate the energy equivalent of a black hole too and get rid of the infinite density. In that way I think the integral of all energies will give a quantity where the missing mass problem gets solved. May be, may not be. My maths is not good enough for this. Can a mathematical model be evolved which will consider total energy content of present known matter, radiated energy for the lifetime of the Universe starting from that of big bang and those of black holes. We do get a fair approximation of the mass of black holes from measuring it's gravitational force. I know one would need a PhD to even attempt that but am I sensible. But this model suits my imagination as I can ged rid of the infinite density problem of black holes or the whole Universes being concentrated in a point at t=0. Apart from that to retain sanity I've developed two block-heads. 1. Entropy = +ve, 2. Time = +ve always.

    4 AnswersAstronomy & Space6 years ago
  • Please identify this movie. I am unable to recall the name of the movie.?

    It was a WW2 movie made in the 70s or 80s. The last scenes were like this. Two friends get holed up in the basement of a church. The Nazis start filling up the place with water. They pull out a deck of cards. I closed my eyes and after the sound of the gun shot when I opened my eyes (if I remember correctly, I watched it 28 years back) the two of hearts & diamonds were floating in the water.

    1 AnswerMovies7 years ago
  • Equations of 2nd degree or more. Question related to quadrants.?

    Just a few minutes back Mathmom answered that a cubic equation will start in Q3 and end in Q1 if a > 0. Can someone tell me what is the relation between the coefficients and the quadrants. Equation to be considered of the general form ax^n + bx^(n-1) ...... = 0. Don't need details, hints will do. Thanks.

    1 AnswerMathematics8 years ago
  • Poker (Texas Holdem) odds.?

    What is the probability that the community cards may yield a Three of a Kind, Fours, Flush or a Straight or even a Full House? There are four different situations, 1. After the Deal, 2. After the Flop, 3. After Turn, 4. After River.

    The situation changes dramatically after the flop as you may turn up with 3 or 4 cards neccesary but will expect that to turn up during turn or river.

    However you need to give me hints for calculation for situation 1 & 2 only. I am arriving at very low probabilities as I am multiplying the probability factors for each subsequent cards. I also want to know the combined probability of any one of the above happening and again combined including Two Pairs.

    I don't think you can add up the individual probabilities as there are many overlapping situations.

    Thanking you and wishing luck in a hand of poker.

    1 AnswerCard Games8 years ago
  • Probability question on cards.?

    This applies to Poker (Texas Holdem) where two cards are dealt to each players (7 players to be considered). Next the 5 Community cards (common for everyone) are dealt out, 3 first (Flop), then after another round of betting 1 card is dealt (Turn), again after another round the remaining 5th card is dealt (River). Now if one gets two unconnected cards of the same suit but with a rank difference less than 5, what is the probability that the remaining cards may yield a Three of a Kind, Fours, Flush or a Straight or even a Full House? There are four different situations, 1. After the Deal, 2. After the Flop, 3. After Turn, 4. After River.

    The situation changes dramatically after the flop as you may turn up with 3 or 4 cards neccesary but will expect that to turn up during turn or river.

    However you need to give me hints for calculation for situation 1 only. I am arriving at very low probabilities as I am multiplying the probability factors for each subsequent cards. I also want to know the combined probability of any one of the above happening and again combined including Two Pairs.

    I don't think you can add up the individual probabilities as there are many overlapping situations.

    Detailed reasonings or are not required and thanking you and wishing luck in a hand of poker if this interests you into actually playing the game. I've learned it recently and am enjoying it.

    1 AnswerMathematics8 years ago
  • How do I delete a facebook account?

    I have two email ID which has two different facebook accounts. I want to delete one.

    6 AnswersFacebook8 years ago
  • I would like someone from ISRO ansswer this. Why can't we build a rocket at a space station like ISS?

    That would eliminate the huge amount of fuel needed for take-off. Another advantage would be since escape velocity and gravity (of Earth ) is much lower rather almost zero. So all the force will only accelarate the space-ship more and more giving us enough velocity to make a manned trip to Mars.

    Can use smaller rockets with multi-stages may be 10 or 12 or even more. Each will add accelaration.

    The shuttle will do the transportation of small sections of the space ship.

    7 AnswersAstronomy & Space9 years ago
  • How to visualise sin, cos or tan for x>90?

    While its height/perpendicular and so on for a rt. angled triangle it becomes difficult to visualise for say Sin(pi+x)? Suddenly got confused trying to explain to my sons.

    1 AnswerMathematics9 years ago
  • How do I type yuktakshar in Hindi using an English keyboard?

    I use the onscreen layout but the problem is how to type double consonants?

    1 AnswerOther - Computers10 years ago