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What is the surface area of the pyramid shown to the nearest whole number? the diagram is not drawn to scale. a. 144 ft^2 b. 252 ft^2 c. 108 ft^2 d. 63 ft^2

What is the surface area of the pyramid shown to the nearest whole number? the diagram is not drawn to scale. a. 144 ft^2 b. 252 ft^2 c. 108 ft^2 d. 63 ft^2
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What is the surface area of the pyramid shown to the nearest whole number? the diagram is not drawn to scale.

a. 144 ft^2
b. 252 ft^2
c. 108 ft^2
d. 63 ft^2

What is the surface area of the pyramid shown to the nearest whole number? the diagram-example-1
User Barnyr
by
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2 Answers

4 votes

The surface area is 144ft^2

User Gregomni
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8.8k points
3 votes
Surface Area (S.A.) is the sum of the area of the base and all of the faces

Area of the base = 6 x 6 = 36
Area of one of the faces = (1/2) b x h = (1/2) x 6 x 9 = 27

There are 4 faces so the sum of the areas = 36 + 4(27) = 144 ft²

Answer: A
User Amanduh
by
9.4k points
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