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hichkok12 [17]
3 years ago
10

A banner is made of a square and a semicircle.The square has side lengths of 22 inches.One side of the square is also the diamet

er of the semicircle.What is the total area of the banner use 3.14 for π
Mathematics
1 answer:
netineya [11]3 years ago
4 0

Step-by-step explanation:

673.97 in² is the answer

So the total area is= square + semicircle

Area of square= 22²= 484in²

Area of semicircle= 1/2(πr²)

diameter of semicircle is 22 so the radius is 11 in

the area = 1/2(3.14*121)

area= 189.97

The total area= 189.97+ 484= 673.97in²

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fgiga [73]
Parallelogram:
just multiply 16 by 30.
The area is 480.
Semicircles:
Since there are 2 semicircles, they can be merged to one circle.
The area of a circle is πr²
The diameter is 28, so the radius is 14.
Substitute and solve.
π14²
π196 ≈ 615.8
Now add 615.8 with 480
Your answer is 1,095.8 units squared.
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