Circle Terminology

A chord is ...

• any connected part of the circle.

• a line that has endpoints on the circle.

• the distance around the circle.

• a line joining the centre of the circle to any point on the circumference circle.

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.3

The diameter of a circle is ...

• a line that has endpoints on the circle and passes through the centre of the circle.

• a line that has endpoints on the circle.

• a region of the circle bounded by two radii and an arc lying between the radii.

• a line joining the centre of the circle to any point on the circumference circle.

Tags

CCSS.HSG.C.A.2

The radius of a circle is ...

• a line that has endpoints on the circle and passes through the centre of the circle.

• a line that has endpoints on the circle.

• a region of the circle bounded by two radii and an arc lying between the radii.

• a line joining the centre of the circle to any point on the circumference circle.

Tags

CCSS.HSG.C.A.2

A tangent of a circle is ...

• a line that has endpoints on the circle and passes through the centre of the circle.

• a straight line that touches the circle at a single point.

• a region of the circle bounded by two radii and an arc lying between the radii.

• a line joining the centre of the circle to any point on the circumference circle.

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

Which number best represents an inscribed angle?

• 1

• 2

• 8

• 9

Tags

CCSS.HSG.C.A.2

What is m∠ACB?

• 67.5°
• 90°
• 22.5°
• 45°

Tags

CCSS.HSG.C.A.2

Find the measure of arc AB.

• 17
• 34
• 68
• 146

Tags

CCSS.HSG.C.A.2

What is the measure of angle Q?

• A

• B

• C

• D

Answer explanation

Tags

CCSS.HSG.C.A.2

This is a picture of ___________.

• Minor Arc
• Major Arc
• Semi-Circle
• Central Angle

Tags

CCSS.HSF.TF.A.1

CCSS.HSG.C.A.2

CCSS.HSG.C.B.5

This is a picture of ___________.

• Minor Arc
• Major Arc
• Semi-Circle
• Central Angle

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.B.5