Circles Review

Match the term to the correct image.

d

e

f

b

a

c

g

radius

semicircle

arc

chord

secant

diameter

tangent

What is the area of the circle?

• 346.4 ft²

• 33 ft²

• 66 ft²

• 1385.4 ft²

What is the circumference of the circle?

• 346.4 ft

• 33 ft

• 66 ft

• 1385.4 ft

What is the measure of angle EFD?

• 17°

• 41°

• 25°

• 38°

What is the measure of arc AE?

• 170°

• 142°

• 135°

• 138°

In circle H, if m∠DHG = (11x – 36)° and

m∠GHF = (x + 12)°, find x.

• 17

• 20

• 14

• 19

Label the measures of the missing angles and arcs.

d

c

b

a

85

23

72

108

What is the length of the bolded arc?

• 87.9 ft

• 64 ft

• 91.3 ft

• 72.6 ft

What is the length of the bolded arc?

• 20.3 mm

• 19.7 mm

• 21.4 mm

• 22.2 mm

What is the area of the circle?

• 3,058.1 cm²

• 98 cm²

• 764.5 cm²

• 437.4 cm²