Question

PLEASE HELP!!!

Answer 1

Answer:

$= 15.7 \: \: units \\ = 5\pi$

Step-by-step explanation:

$\frac{180}{360} \times 2\pi \: r \\ \frac{1}{2} \times 2 \times 3.14 \times 5 \\ = 15.7 \: \: units \\ = 5\pi$

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Answer 2

Answer:

5π or 15.7

Step-by-step explanation:

the arc of the semicircle 1/2 circumference of circle = diameter*π =2*radius*π

radius = 5 so

1/2 *2*5*π =5π or 5*3.14 = 15.7