Honors Geometry Circles

Which part of a circle is shown in the diagram?

• Minor Arc

• Major Arc

• Semicircle

• Central Angle

When a tangent line touches a circle, it creates a _____ angle with the radius.

• Right

• Acute

• Obtuse

• Central

Is Line AB a tangent line to the circle? Verify your answer.

• Yes

• No

• Not Enough Information

If Line AB and Line CB are both tangent to the circle, what is the value of x?

• x = 22

• x = 25

• x = 15

• x = 20

Find x.

• x = 160

• x = 40

• x = 80

• x = 360

What is the measure of Angle 2?

• 80º

• 45º

• 125º

• 40º

Find the circumference of the circle. Round to the nearest whole number.

• 88 in

• 44 in

• 116 in

• 116 in²

Find the area of the circle.

• 56.52 in²

• 254.34 in²

• 1017.36 in²

• 113.04 in²

What is the area of the shaded sector? Round to the nearest hundredth.

• 1.26 units²

• 452.39 units²

• 9.42 units²

• 113.10 units²

What is the area of the shaded sector? Round to the nearest hundredth.

• 8.37 units²

• 2.09 units²

• 33.49 units²

• 4.19 units²