Seudónimo Seudónimo

08-02-2017
Mathematics

contestada

What is the surface area of this square pyramid?

A.

765 m2

B.

540 m2

C.

225 m2

D.

630 m2

What is the surface area of this square pyramid A 765 m2 B 540 m2 C 225 m2 D 630 m2 class=

Respuesta :

Аноним Аноним

08-02-2017

the area of the base = 15 * 15 = 225 m2
ande tharea of each sloping triangular side = 1/2 * 15 * 18 = 135 m2

so total surface area = 225 + 4*135 = 765m2

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shirleyarnett1 shirleyarnett1

08-02-2017

Im thinkng D.I hope it helped.

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