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natka813 [3]
2 years ago
10

What is the surface area and volume? PLEASE EXPLAIN IN DETAIL HOW TO SOLVE.

Mathematics
1 answer:
Maslowich2 years ago
7 0

The surface area is the sum of the area of all the faces of an object.

Area of bottom face: 4×2.5=10

Area of right and left sides: 2(2.5×2)=10

Area of front and back sides: 2(4×2)=16

Area of the rectangular sides of the roof: 2(2.5×2.5)=12.5

Area of the triangle sides of the roof: 2(1/2(4×1.5))=6

Add up all of these to get 54.5 yd^2

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Can someone please help me?? Im not quite sure how to get this answer.
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Answer:

C. 54π + 20.25√3 cm²

Step-by-step explanation:

The shaded area can be split into two areas: a sector and an isosceles triangle.

Area of a sector is:

A = (θ/360°) πr²

where θ is the central angle and r is the radius.

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