Circle, Chords, Diameters, Sectors

How many degrees are in a cirlce?

• 90
• 180
• 270
• 360

What is the measure of arc PQ?

• 100°

• 140°

• 180°

• 120°

What best describes segment AB?

• chord
• secant
• tangent
• diameter

A tangent is a line that _______. 

• passes through the center of the circle
• intersects the circle at two points
• intersects the circle at one point
• follows the circumference of a circle

What can you conclude from the picture?

• m is parallel to circle C
• m is skew to circle C
• m bisects circle C
• m is tangent to circle C

QS is a tangent to circle P.  Find QS.

• 144
• 14
• 12
• 13

Find the area of the shaded sector of circle O.  The radius is 6 inches and the central angle is 100°.  Express answer to the nearest tenth of a square inch.

• 9.2 sq. in.
• 10.5 sq. in.
• 31.4 sq. in.
• 38.2 sq. in.

is the formula for?

• arc length
• area of a sector
• area of a segment
• arc measure

You stop for lunch at a local pizza shop where each pizza is cut into 8 slices. Would your hunger be better satisfied with one slice from a 16 inch pizza or two slices from a 12 inch pizza (measurements given are diameters) 🍕

• One Slice

• Two Slices

FIND THE ARC LENGTH OF THE BOLDED ARC

• A
• B
• C
• D