Radians, Arcs, Sectors, Segments

Segments with endpoints on a circle are called _____.

• arcs

• radii

• chords

• polygons

Determine the value of (x+y). Round to the nearest whole number.

• 6

• 8

• 10

• 12

How many radians are there in half a circle?

• 2 pi

• 180^o

• 360^o

• pi

Find the sector area of the bolded section. Round your answer to the nearest tenth.

Find the sector area.

How many radians does a circle have?

•   360 degrees

• 2pi radians

• pi radians

• ^{2 radians}

Which of the following is closest to the measure of the angle drawn by the green curve?

• 5/6 π

• 5/3 π

• 4/5 π

• 4/3 π

Which of the following is closest to the measure of the angle shown?

• 7/10 π

• 3/8 π

• 7/20 π

• 3/2 π

Convert π radians to degrees.

• 90⁰

• 180⁰

• 360⁰

• 60⁰

Convert 150⁰ to radians

• 5π/6

• 3π/4

• 7π/6

• 2π/3