Circles Angles Arcs and Chords

x = ?

• 90

• 180

• 45

• 80

What is the diameter?

• 8

• 16

• 10

• 4

Which segment is the diameter?

• AC

• BD

• LM

• CE

Which segment is a radius?

• LM

• DC

• BD

• ML

Find the circumference of a circle with a radius of 12.5 mm .

• 37.68mm

• 18.84mm

• 78.5mm

• none of the above

Give an example of a chord

• line HI

• line KL

• line GH

• line GJ

Find x

• 10

• 5

• 18

• 9

Given the following inscribed quadrilateral, what is the value of y?

• 10

• 20

• 30

• 40

Find the measure of b.

• b=90

• b=57.7

• b=56

• b=115

Find the measure of a.

• a=65

• a=115

• a=90

• a=57.5