A circle with a radius of 15 ft is subdivided by a central angle. If the resulting arc length of the subtended arc is 10pi feet, what is the measure of the central angle?

that is the answer to the question

hey! so 1 (25) out of 4 (100) is 25 so your answer is 25%. it's like quarters!

answer:   28.56 feet (approx)

step-by-step explanation:

since, triangle abc has measure of angle c equal to 55 degrees, measure of angle abc equal to 90 degrees, and length of bc equal to 20 feet.

we have to find out the measurement of segment ab.

therefore, tan 55° =

but bc = 20 feet.

⇒ tan 55 ° =  

⇒ ab = 20 × tan 55 °

⇒ ab = 20 × 1.42814800674

⇒ ab = 28.5629601348   ≈ 28.56 feet