Circles and Polygons

Pac Man will be painted outside an arcade. The arc length of Pac Man's head is 4m. His mouth has a 70^o opening. How much paint will it take to paint Pac Man. ROUND TO THE NEAREST WHOLE NUMBER.

A game board in the shape of a regular pentagon with sides of 12 cm and a total area of 247.8 cm². What is the apothem of the game board?

• 8.26 cn

• 123.9 cm

• 20.65 cm

• 10.325 cm

How many triangles are in a regular decagon?

• 10

• 8

• 12

• 6

Find the diameter of the circle to the nearest hundredth. π = 3.14

• 31.40m

• 1.59m

• 3.20m

• 3.18m

Find the area of the circle to the nearest tenth. π = 3.14

• 1133.5cm²

• 119.3cm²

• 4534.2cm²

• 59.7cm²

What is the circumference of the circle with the given area to the nearest tenth?

• 16.8 cm

• 15.0 cm

• 8.4 cm

• 26.5 cm

Find the area of the trapezoid.

• 22m²

• 26m²

• 32.5m²

• 22.5m²

Which formulas can be used to find the circumference of a circle?

• C = π r²

• C = π d

• C = 2 π r

• C = π r

Find the area of the circle to the nearest hundredth. π = 3.14

• 530.66m²

• 81.64m²

• 163.28m²

• 2122.64m²

what is the area of this semicircle ?

• 100.48cm²

• 80cm²

• 200.96cm²

• none of the above