I need help with this.thank you

B

15.7 ft, 43.96 ft,  153.86 ft^2

Step-by-step explanation:

Circumference is    (r is the radius).

If the diameter is 5 feet, the radius is 2.5 feet (half of 5).

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Diameter of pool = 14 feet. so radius = 7 feet.

feet

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Area of a circle:  

answer: i'm not going to give you the answer, but some hints to work it out.

step-by-step explanation: so, if there is a straight line that means that the line angle is 180°. so we subtract the 2 angle measures provided, (15 and 38) from 180. so the answer is 180 - (38 + 15). (you have to solve the equation)