In a circle with center P, central angle MPN has a measure of 3pi/4 radians. The area of the sector formed by the central angle MPN is what fraction of the circle?

In a circle with center P, central angle MPN has a measure of 3pi/4 radians. The area of the sector formed by the central angle MPN is what fraction of the circle?

A circle with a circumference of 46pi is divided evenly into 12 sectors. What's the total measure in degrees of 5 sectors?

Q: An arc on a circle subtends a central angle of θ=4 radians, and the area of the sector is 128 cm2. Determine the radius, r centimeters, of the circle. I know the formula is A= .5 x...

This is a geometry question involving area and sectors of circles.

This problem involves finding the area given the diameter. Sector of circles.

The diameter of wheels of a car is 63 cm. Find the number of rotations of the wheels when the car travels a distance of 1 km.

When given the area of a sector of a circle, how can you find the area of the entire circle?