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wel
2 years ago
15

What is the surface area?????

Mathematics
1 answer:
Elenna [48]2 years ago
5 0

The area of a triangle is found using the formula Area = 1/2 x base x height.


Base = 8

Height = 18.


The area of 1 triangle = 1/2 x 8 x 18 = 72 square units.


There are a total of 4 sides, so total area = 72 x 4 = 288 units ^2

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