Circles Geometry Test Applications

What is the value of x with a reason?

• The angle at the center is equal to twice the angle at the circumference.

• The angle at the center is equal to the angle at the circumference.

Tags

CCSS.HSG.C.A.2

If a line is drawn from the center of a circle to the chord and it bisects the chord, what will the relationship between this line and the chord be?

• They will be perpendicular

• They will be parallel

• They will be equal

• The chord will be bisected

Tags

CCSS.HSG.C.A.2

Find a.

• 30

• 21

• 60

• 120

Tags

CCSS.HSG.C.A.2

Determine y.

• 30

• 60

• 90

• 180

Tags

CCSS.HSG.C.A.2

Knowing that line AF is a tangent, C is the center of the circle, and angle F is 29.0 degrees, what is the measure of angle ECD?

Tags

CCSS.HSG.C.A.2

Line ST is a tangent to the circle at point P. What is the measure of angle (x + y)?

• 79

• 80

• 86

• 90

Tags

CCSS.HSG.C.A.2

If point O is the center of the circle, what is length S?

*Do not round round till the end

The answer is rounded to the nearest tenth.

• 7.25

• 7.3

• 7.2

• 7.29

Tags

CCSS.HSG.C.A.2

Calculate q.

• 40

• 140

• 128

• 52

Tags

CCSS.HSG.C.A.2

Knowing that Angle B is 30.0 degrees, what is the measure of angle DEB?

Tags

CCSS.HSG.C.A.2

Line CE is a perpendicular bisector for line AB. If line CD is a measure of 6.0 cm, and line AB is a measure of 10.0 cm, what is the length of CF?

• 10 cm

• 6 cm

• 7.8 cm

• 5 cm

Tags

CCSS.HSG.CO.C.9