Sector of Circles

What is the area of a quarter circle if the diameter is 14 cm?

• 12.25π cm²

• 49π cm²

• 14π cm²

• 3.5π cm²

The circumference of a flower garden is 24π yd. What is the area of the flower garden in terms of pi?

• 144π yd²

• 576 π yd²

• 452.16 yd²

• 1,808.64 yd²

A circular swimming pool is 21 feet in diameter.
How many feet around is the pool? Round to the nearest hundredth!

• 32.99 ft

• 42 ft

• 65.97 ft

• 131.95 ft

If the word problem is asking you to find the space inside the circle, which formula should you use?

• r = d/2

• d = 2r

• C = πd

• A = πr²

If the problem ask you to find the distance around a circle, which formula should you use?

• r = d/2

• d = 2r

• C = πd

• A = πr²

The radius is....

• a line that crosses through the center and touches each edge 

• the center point of a circle 

• a line from the center point to the edge of the circle

• an element in science

A cathedral window is built in the shape of a semicircle. If the window is to contain three stained glass sections of EQUAL SIZE, what is the area of the YELLOW SECTOR?

• 3.3 ft²

• 4.5 ft²

• 6.3 ft²

• 7.1 ft²

What is the area of the shaded region? Round to the nearest hundredth.

• 8π/3

• 2π/3

• 32π/3

• 4π/3

What is the area of the shaded region? Leave answers in terms of π.

• ⅜π

• 8/3π

• ⅔π

• 4/3π

Find the arc length.  Leave your answer in terms of π.

• 7/4π

• 7/2π

• 1/8π

• 45π