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Geometry - ABCDEFGH is a rectangular prism FG=BC. Prove that....?
ABCDEFGH is a rectangular prism in which FG = BC.
Prove that CA*2 + AE*2 = ED*2 + DC*2
I cannot draw the exact figure here but I can describe it.
The top rectangle is EFGH, with E joining F, H joining G, E joining H and F joining G. EF and HG are the longer sides.
The bottom rectangle is ABCD, A joins B, D joins C, A joins D and B joins C. AB and DC are the longer sides
H_____________________G
E____________________F
I
I D_____________________C
I
I
I
A____________________B
1 AnswerMathematics1 decade agoTrigonometry problem:?
Please show solution:
Two ships A and B are steaming at constant speeds, ship B being 10 nautical miles east of A, which is steering a south-westerly course. After 1 1/2 hours have elapsed, ship B is 5 nautical miles directly ahead of ship A. If ship A has a speed of 12 knots, find the speed of ship B.
Thanks!
1 AnswerMathematics1 decade agoInteger (except 0) raised to a power and then divide by that power?
If ( x^n) / n , can you predict the quotient and/or its remainder?
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