Circle Unit Review

What is the circumference of a circle with a radius of 5.25?

• 16.49

• 27.56

• 32.97

• 86.54

• A
• B
• C
• D

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

• 7/4π cm

• 7/2π cm

• 1/5π cm

• 45π cm

What is the area of this circle?

• 1385.44

• 2142.12

• 5541.77

• 1289.12

What is the equation of the circle shown in the graph?

Mathematical Equivalence

ON

Match the following vocabulary term with its appropriate part of the circle.

• Point V

• Semi-Circle

• Point of Tangency

• Line PR

• Minor Arc

• Secant Line

• Major Arc

What is the area of the shaded region?

• 50.27 units²

• 3015.93 units²

• 8.38 units²

• 4.19 units²

What is the distance around a circle?

• Circumference

• Area

• Diameter

• Radius

What is the equation of a circle whose center is at (4,5) and whose radius is 6

• (x+4)² + (y+5)² = 6

• (x-4)² + (y-5)² = 36

• (x+4)² + (y+5)² = 36

• (x-4)² + (y-5)² = 6

Find the measure of arc TS

• 42

• 90

• 84

• 74