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padilas [110]
3 years ago
15

Whch shapes coud a pentagon be decomposed into to find its area

Mathematics
1 answer:
mestny [16]3 years ago
7 0
You could split it into five triangles to find the area.
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A 45-45-90 traingle is a special traingle.  Let's say one of the leg of the triangle is x. The other one is also x because of the isosocles triangle theorem.  Therefore, using the pytagorean theorem, you find that x^2+x^2=c^2.  2(x)^2=c^2.  You then square root both sides and get c= x√2.  

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