Circles Intro Vocabulary

Angle with its vertex on the circle and both endpoints on the circle.

• central angle

• inscribed angle

• circumference

• area

Length around a circle.

• central angle

• inscribed angle

• circumference

• area

Amount of space inside a circle.

• central angle

• inscribed angle

• circumference

• area

𝜋r²

• area

• circumference

• arc length

• arc measure

2𝜋r

• area

• circumference

• arc length

• arc measure

A central angle is twice the measure of an inscribed angle.

• true

• false

(^x/₃₆₀)*2𝜋r

• area

• circumference

• arc length

• arc measure

Which of the following names a diameter?

• segment AC

• segment DB

• segment AB

• segment BC

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

• semi-circle arc

• major arc

• minor arc

• sector

Which of the following names a radius?

• segment AC

• segment DB

• segment AB

• segement BC