A circle has a circumference of 36Ï meters. What is the radius of the circle?
18 meters
Oops!
Check
Okay!
Check
10
What is the radius of a circle with an area of 49Ï?
7
Oops!
Check
Okay!
Check
10
What is the area of the shaded region? Round to the nearest hundredth.
8.37
Oops!
Check
Okay!
Check
10
A region bounded by two radii of the circle and their intercepted arc is a _________
sector of a circle
Oops!
Check
Okay!
Check
banana
Go to last place!
Oops!
rocket
Go to first place!
Okay!
shark
Other team loses 20 points!
Okay!
baam
Lose 20 points!
Oops!
10
Find the area of the dark blue sector shown at the left. The radius of the circle is 4 units and the length of the arc (the curved edge of the sector) measures 7.85 units. Express answer to the nearest tenth of a square unit.
15.7 square units
Oops!
Check
Okay!
Check
10
What is the area of this circle?
25Ï
Oops!
Check
Okay!
Check
10
What is the area of this circle?
16Ï
Oops!
Check
Okay!
Check
eraser
Reset score!
Oops!
rocket
Go to first place!
Okay!
rocket
Go to first place!
Okay!
lifesaver
Give 25 points!
Oops!
heart
Other team wins 25 points!
Oops!
fairy
Take points!
5
10
15
20
25
shark
Other team loses 20 points!
Okay!
lifesaver
Give 10 points!
Oops!
10
A sector with a radius of 10 cm has a central angle measure of 252°.
70Ïcm^2
Oops!
Check
Okay!
Check
heart
Other team wins 25 points!
Oops!
shark
Other team loses 20 points!
Okay!
shark
Other team loses 20 points!
Okay!
banana
Go to last place!
Oops!
10
What is the area of the shaded region? Round to the nearest hundredth.
113.10
Oops!
Check
Okay!
Check
15
Julie needs to cover the top and bottom of a can of soup with construction paper to include in her art project. Each has a diameter of 7.5 centimeters. What is the total area of the can that Julie must cover?
88.4 cm^2
Oops!
Check
Okay!
Check
10
Danielle wants to make a cookies for 3 friends. The radius of a cookie is 5 inches. If she wants to ice ALL 3 of the cookies, how many square inches of cookies must she cover with icing?
235.5 in^2
Oops!
Check
Okay!
Check
15
A circular window on a ship has a radius of 8 inches. What is the area of the window? Round your answer to the nearest hundredth.