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Alison is going camping and needs to buy a canvas tarp to cover the top of her tent, which is in the shape of a square pyramid. A diagram of the tent is shown. How large of a canvas tarp does she need to buy?

A) 80 ft2

B) 105 ft2

C) 160 ft2

D) 185 ft2

Alison is going camping and needs to buy a canvas tarp to cover the top of her tent which is in the shape of a square pyramid A diagram of the tent is shown How class=

Respuesta :

Option B:

Alison need to buy 105 ft² canvas tarp.

Solution:

Given data:

Base (b) = 5 ft

Height (s) = 8 ft

Surface area of the square pyramid formula:

SA = 2 bs + b²

Substitute the given values in the formula.

Surface area = 2 × 5 × 8 + 5²

                      = 80 + 25

                      = 105

Surface area of the square pyramid = 105 ft²

Alison need to buy 105 ft² canvas tarp.

Option B is the correct answer.

klswan0606

Answer:

Its 80 ft2

Step-by-step explanation:

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