2 years ago

Please please please help me

Mathematics

1 answer:

RoseWind [281]2 years ago

4 0

Answer:

b) 300in^2

Step-by-step explanation:

area of triangle = base x heigth / 2

10 . x 10 / 2 = 100/2 =50

surface area of one face is 50

there 4 sides so 50 x 4 = 200

and the bottom is length x width = 10 x 10 = 100

100 + 200 = 300

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