monroy2101 monroy2101

01-05-2020
Mathematics

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How do I find the surface area of this shape?

How do I find the surface area of this shape class=

Respuesta :

rkerachel rkerachel

01-05-2020

Answer:

235.2 inches

Step-by-step explanation:

bottom triangle:

base = 12 in

height = 10.4 in

area = (1/2) (12 × 10.4) = 62.4

side triangles:

base = 12 in

height = 9.6 in

area = (1/2) (12 × 9.6) = 57.6

Surface Area:

3(57.6) + 62.4 =

172.8 + 62.4 = 235.2

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