Equations of Circles

What is the area of this circle?

• 163.2

• 15.3

• 124.2

• 113.04

Which segment is the diameter?

• AC

• BD

• LM

• CE

Solve for x and y.

• x=85⁰  y = 150⁰

• x = 85⁰  y = 50⁰

• x = 95⁰   y = 150⁰

• x = 95⁰   y = 50⁰

Find x.

• 29⁰

• 33⁰

• 41.5⁰

• 50⁰

Find the area of the circle

• 56.52

• 254.34

• 1017.36

• 113.04

Jesse used rope to stake a circular region in which to plant a garden. The diameter of the region is 20 inches. What is the approximate area of half of the garden?

• 31.4 in²

• 314 in²

• 157 in²

• 628 in²

What is the area of a circle with the diameter of 10cm ?

• 66cm

• 78.5cm

• 66.5cm

• 10m

Name the circle part shown in green

• Sector

• Arc

• Segment

• Radius

If the circumference of a circle is 22π , what is the diameter?

• 22 ft

• 11 ft

• π ft

• 0 ft

What is the area of this circle?
d = 8cm

• 16π

• 8π

• 4π

• 36π