Circle Review

• 17

• 34

• 68

• 146

• m∠K=100 & m∠M=100

• m∠K=50 & m∠M=50

• m∠K=100 & m∠M=50

• m∠K=50 & m∠M=100

• A
• B
• C
• D

Which is true of a major arc?

• Forms half a circle.
• Forms a whole circle.
• Measures greater than 180 degrees.
• Measures less than 180 degrees.

Which is true of a minor arc?

• It forms half a circle.
• It forms a whole circle.
• It measures greater than 180 degrees. 
• It measures less than 180 degrees.

If the measure of arc ABC = 210°, what is the measure of arc AC?

• 150°
• 100°
• 210°
• 105°

An angle is a(n) ______ if the vertex is on a circle and the sides of the angle are shords of the circle.

• right angle
• acute angle
• inscribed angle
• intercepted angle

A(n) _____ to a circle is a line, ray or segment in the plane of the circle that intersects the circle in exactly one point.

• tangent
• secant
• radius
• arc

What is x?

• 15

• 23

• 2

• 92

Find the radius r

• 2
• 3
• 4
• 5