Circles, Triangles, Quadrilaterals

Is the red line a radius or diameter of the circle?

• Radius

• Diameter

What is the circumference of this circle?

• 15.7 m

• 78.5 m

• 31.4 m

• 25 m

• 10 m

what is the circumference of this circle ?

• 18.84 cm

• 37.68 cm

• 75.36 cm

• 68.4 cm

• 113.04 cm

find the area of the circle below.

What is the value of x and y?

• x=75°; y=93°

• x=65°;y=104°

• x=75°; y=94°

• x=65°; y=93

Solve for x and y.

• x=85⁰  y = 150⁰

• x = 85⁰  y = 50⁰

• x = 95⁰   y = 150⁰

• x = 95⁰   y = 50⁰

Find the measure of angle M.

• 91

• 51

• 118

• 67

What is the area of this circle?

Find the radius of circle with a circumference of 12.56 mi.

• 5 mi

• 4 mi

• 8 mi

• 2 mi

Find the diameter of the circle with a circumference of 157 centimeters.

• 1.57 cm

• 15.7 cm

• 50 cm

• 25 cm