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07-02-2017
Mathematics

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Pyramid has a square base measuring 10 inches on each side it has four faces that are congruent isosceles triangle's. The height of each triangle is 13 inches find the surface area of the pyramid.

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Arcad3a Arcad3a

07-02-2017

1/2(10x13) = 65
65x4=260

10x10=100

260+100=360

360 inches squared

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