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26-01-2017
Mathematics

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What is the surface area of the prism?

A.

594 ft2

B.

438 ft2

C.

219 ft2

D.

156 ft2

What is the surface area of the prism A 594 ft2 B 438 ft2 C 219 ft2 D 156 ft2 class=

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TheHero TheHero

26-01-2017

area of lower rect + area of upper + 4 * sides rect areas

lower = upper rect

2 * rect1 + 4 * rect2

Area = 2 * 6 * 11 + 2 * 11 * 9 + 2 * 9 * 6 = 438 ft^2

or simply just take 2 ( and multiply each two sides.

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