Circles - Review Set B

• 2

• 3

• 4

• 5

A navigation satellite is 400 miles above Earth. The diameter of Earth is about 8,000 miles. Which is the closest distance of the satellite's longest line of sight to Earth?

• 1,744 mi.

• 1,805 mi.

• 1,833 mi.

• 1,872 mi.

• 2

• 6

• 8

• 14

Find the value of x.

• 140^o

• 70^o

• 35^o

• 110^o

Find the area of the shaded sector of the circle.

• 31.6 cm²

• 29.4 cm²

• 11.8 cm²

• 78.5 cm²

• (2, -1)

• (-2, 1)

• (3, 3)

• (6, -1)

Find m∠1.

• 64^o

• 32^o

• 108^o

• 54^o

Find the radius of ⊙C. Round to the nearest tenth.

• 24.7

• 49.4

• 12.3

• 26.5

If the measure of arc LNM = 280^o, find the value of y.

• 40

• 80

• 140

• 160

What is the equation of the circle in the diagram?