sebastiananguiano6 sebastiananguiano6

01-06-2021
Mathematics

contestada

This is hard I need help

This is hard I need help class=

Respuesta :

mhanifa mhanifa

01-06-2021

Answer:

140.22 ft²

Step-by-step explanation:

Surface area is the sum of areas of 4 triangles.

Each triangle has:

b = 9 ft, h = 7.79 ft

Area of each triangle:

A = 1/2bh
A = 1/2*9*7.79 = 35.055 ft²

Surface area:

S = 4*35.055 = 140.22 ft²

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