Circle, Chords, Diameters, Sectors

What is the formula for?

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

What is the formula for?

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

Find the arc length.  Leave your answer in terms of π.

• 7/4π
• 7/2π
• 1/8π
• 45π

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.

A region bounded by an arc and its chord is a...

• sector of a circle
• arc of a circle
• arc length of a circle
• segment of a circle

An _____ _____ consists of endpoints that lie on the sides of an inscribed angle and all the points of the circle between them.

• inscribed arc
• central arc
• intercepted arc
• isoceles arc

The measure of an inscribed angle is ____ the measure of its intercepted arc.

• half
• double
• one fourth
• one third

If a  quadrilateral is inscribed in a circle, then its ____angles are _____.

• adjacent; complimentary
• opposite; complimentary
• adjacent; supplementary
• opposite; supplementary

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer.

• 5
• 9
• 8
• 6

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

• One Slice
• Two Slices