Areas and Circles

A chord that passes through the center of the circle is called ________.

• radius

• major arc

• interior of the corcle

• diameter

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 in²

• 10.5 in²

• 31.4 in²

• 38.2 in²

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

What is the area of the shaded segment?

• 185.0619

• 88.9359

• 39.3078

• 5.7975

If Pacman's mouth, when open, is 70° and the radius of his mouth is 8mm, what is the exact area of the rest of Pacman's body?

• (464/9)π mm²

• (112/9)π mm²

• (116/9)π mm²

• (28/9)π mm²

is the formula for?

• arc length

• area of a sector

• area of a segment

• arc measure

Write the numerical answer for the area of the sector rounded to the nearest tenth.

Hannah drew a circle with a radius of 30 cm. Jonas drew a circle with a diameter of 40 cm. What is the approximate difference in the areas of their circles?

• 2,826 cm²

• 1,570 cm²

• 1,256 cm²

• 2,199 cm²

Find the sector area of the wedge.

Find the composite area.