For , Chelsea can get either a diameter pizza or two diameter pizzas. Which is the better deal?

Circle B has a circumference of 36π. What is the area of circle A, which has a radius half the length of the radius of circle B?

What is the area of a circle, one-quarter of the circumference of which is 5.5 inches?

Quantitative Comparison

Quantity A: Area of a right triangle with sides 7, 24, 25

Quantity B: Area of a circle with radius 5

Quantitative Comparison

A circle has a radius of 2.

Quantity A: The area of the circle

Quantity B: The circumference of the circle

A small circle with radius 5 lies inside a larger circle with radius x. What is the area of the region inside the larger circle, but outside of the smaller circle, in terms of x?

If a circular garden with a radius of 3 ft. is bordered by a circular sidewalk that is 2 ft. wide, what is the area of the sidewalk?

Quantitative Comparison

Quantity A: Area of a circle with radius r

Quantity B: Perimeter of a circle with radius r

Given circle O with a diameter of 2 and square ABCD inscribed within circle O, what is the area of the shaded region?

If a circular monument with a radius of 30 feet is surrounded by a circular garden that is 20 feet wide, what is the area of the garden?