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6th -
8thgrade
Area and Circumference of Circles- Real World Problems
11 questions
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- 1. Multiple Choice
What is the radius of this circle?
18 in
6 in
9 in
36 in
- 2. Fill in the Blank
Danielle wants to make 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?
- 3. Multiple ChoiceA ball has a circumference of 9.42 cm. What is the diameter?29.5788 cm59.1576 cm3 cm1.5 cm
- 4. Fill in the Blank
A cruise ship has a large, circular window. It has a diameter of 6 meters. How many square meters of glass is the window made of? Use 3.14 for pi.
- 5. Multiple Choice
Steven purchases a bowl. The diameter of the bowl is 14 cm.
What is the distance around the bowl?
21.98 cm
43.96 cm
87.96 cm
7 cm
- 6. Multiple ChoiceFind the radius of a circle if the area is 201.1 mi210 mi8mi20 mi5mi
- 7. Multiple Choice
A circular swimming pool has a radius of 15 feet. The family that owns the swimming pool wants to put up a circular fence that is 5 feet away from the pool at all points. What is the circumference of the fence they will need? Hint: Draw what you know.
15π
20π
40π
30π
- 8. Multiple ChoiceAlex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?11.32 ft12.25 ft10.99 ft8.75 ft
- 9. Fill in the Blank
The stained glass window is a semicircle. What is the distance around the entire window?
- 10. Fill in the Blank
The circumference of the moon is the approximate distance around a circle with a radius 1,736 kilometers. Find the circumference of the moon. Use 3.14 for pi and round to the nearest tenth!
- 11. Fill in the Blank
The shape of a table-top is made up of a semicircle and a quadrant. Find the distance around the table-top, include the straight edge. Use 3.14 for pi and round to the nearest tenth.
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