Circle Vocabulary and Formulas

Name the segment shown.

• Diagonal

• Diameter

• Radius

• Chord

Name the piece from A to B.

• Arc

• Segment

• Chord

• Radius

If a circle has a radius of 6, what is it's diameter?

• 12

• 6

• 3

• 18

Tags

CCSS.7.G.B.4

• 24 m

• 48 m

• 12m

• 30

Tags

CCSS.7.G.B.4

Match the following vocabulary term with its appropriate part of the circle.

• Line PR

• Major Arc

• Point of Tangency

• Point V

• Secant Line

• Minor Arc

• Semi-Circle

Circumference is to Circle as _________ is to a Polygon.

• Perimeter

• Area

• Volume

• Vertex

• A triangle 

• Distance 

• Pythagorean Theorem

• A circle 

Tags

CCSS.HSG.GPE.A.1

• (5, 0) radius is 7

• (0,5) radius is 14

• (5,0) radius is 14

Tags

CCSS.HSG.GPE.A.1

What is the part of the circle highlighted in red called?

• semi-circle arc

• major arc

• minor arc

• sector

An angle whose vertex is at the center of the circle.

• Central Angle

• Inscribed Angle

• Radius

• Sector