What is the measure the central angle of a circle with radius 75 cm that subtends an arc whose length is 125(pie) cm?

The arc subtends an angle of 300° .

Step-by-step explanation:

Radius = 75 cm

Arc length = 125π cm

Arc length = (θ/360) (2πr)

125π = (θ/360) (2π x 75)

125π = (θ/360) (150π)

125π/150π = (θ/360)

5/6 = (θ/360)

(5/6) (360) = θ

θ = 300°

The arc subtends an angle of 300° .

proportions are fractions that equal to each other. so if two fractions are the same, they are proportional.

let's check the answers to see if they are proportional.

question a is not proportional because you can't turn 1.5/3 to 3/9. if you try to multiply 1.5/3 by 2 or 3, you wont get 3/9. it's impossible to make the fractions the same.

question b is not proportional because you can't turn 22/33 to 4/6. 33 can't go into 6.

question c is proportional because when you multiply 2 and 3 by 71, you would get 142/213, and those fractions equal to each other

question d is proportional because when you divide 14 and 7 by 2, you would end up with 7/3.5, and those fractions equal to each other.

answer is c chief it always is