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RideAnS [48]
3 years ago
5

Sarah is making a wall hanging in the shape shown below.

Mathematics
1 answer:
Oduvanchick [21]3 years ago
3 0

Answer:

C

Step-by-step explanation:

The area of the wall hanging shown in blue is the area of the square 8 by 8 minus the area of the cutout. Notice the cutout is a triangle? To find the total area, subtract the area of the triangle from the square.

The square has the sides 8 by 8 and its area is found as A = 8*8 = 64.

The triangle measures 4 inches by 4 inches. The area is found as A = 1/2*4*4 = 8.

Subtract the two areas.

64 - 8 = 56

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Answer:

degree = 120°

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note : diameter= 2×radius

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67=22/7 ×r²

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469=22r²

r²=469/22

r²=21.32

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d= 2× 4.62

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I hope it helps :)

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