Angles in Circles!!!

Front

What is the distance around a circle called?

Back

Circumference

Front

What do you call an angle in a circle with its vertex at the center?

Back

Central angle

Front

Identify the tangent line in the following options: s, WR, VT, QR.

Back

s

Front

Which of the following segments is not a radius? CA, CB, CD, LM.

Back

LM

Front

What is the measure of arc AB if the options are 17, 34, 68, 146?

Back

68

Front

What is the term for a line that touches a circle at exactly one point?

Back

Tangent

Front

What is the term for an angle whose vertex is on the circle and whose sides contain chords of the circle?

Back

Inscribed angle

Front

What is the relationship between the central angle and the inscribed angle that subtend the same arc?

Back

The central angle is twice the inscribed angle.

Front

What is the formula for the circumference of a circle?

Back

C = 2πr or C = πd, where r is the radius and d is the diameter.

Front

What is the radius of a circle?

Back

The radius is the distance from the center of the circle to any point on its circumference.