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Kryger [21]
3 years ago
14

How much material is needed to construct a triangular tent that is 10 feet wide, 12 feet tall, and 18 feet long with side measur

ements of 13 feet?
768 square feet

1024 square feet

1120 square feet

1392 square feet
Mathematics
1 answer:
Ket [755]3 years ago
3 0
The answer is " 768 square feet. ".

Total surface area of a triangular prism = width x height +(sum of sides + width) x length and here;
width = 10
height = 12
sides = 13
length = 18
= (10 x 12) + (13 + 13 + 10) x 18
= 120 + (36 x 18)
= 120 + 648
= 768 square feet. 
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