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Nimfa-mama [501]
3 years ago
11

HELP!!!!

Mathematics
1 answer:
zimovet [89]3 years ago
8 0

Answer:

37.55\ m

Step-by-step explanation:

we know that

The perimeter of the figure is equal to the perimeter of semicircle plus the perimeter of quarter circle plus two times the length of 2\ m plus two times the length of 5\ m

<u>Find the perimeter of semicircle</u>

we know that

The circumference of a semicircle is equal to

C=\frac{1}{2}\pi D

we have

D=10\ m

substitute

C=\frac{1}{2}\pi(10)=5 \pi\ m

<u>Find the perimeter of a quarter of circle</u>

we know that

The circumference of a quarter of circle is equal to

C=\frac{1}{4}\pi D

we have

D=10\ m

substitute

C=\frac{1}{4}\pi(10)=2.5 \pi\ m

<u>Find the perimeter of the figure</u>

5 \pi\ m+2.5 \pi\ m+2*2\ m+2*5\ m=7.5 \pi\ m+14\ m

7.5 \pi+14=37.55\ m

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<h3>What is the volume of the sphere?</h3>

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