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? asked in Science & MathematicsMathematics · 9 years ago

A roof is 14 m long and 3.5 m wide?

the top ridge , xy, is 2.5 m above the base

calculate the length of

a AY

b AC

c BC

give you answer to 3 significant figures

Update:

no

Update 2:

two sigfigs then?

4 Answers

Relevance
  • 9 years ago
    Favorite Answer

    Sounds like trigonometry. You need to link us an image of the diagram. Most likely your going to have to use sin, cos, stuff.

  • Anonymous
    9 years ago

    It would be easy to answer if you asked it with figure or mentioned clearly. I suggest you to sketch the figure and put the values on the figure and try to solve.

  • 9 years ago

    there are only 2 sigfigs given... you can't just make up sigfigs

  • 9 years ago

    Ask your teacher for homework help!

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