15 Questions

Questions and Answers

- 1.
- A.
98.5

- B.
35.2

- C.
36.8

- D.
18.5

- 2.
- 3.Round to the nearest tenth. Find the circumference of a circle with a radius of 30.9 centimeters.
- A.
194.1

- B.
2998.1

- C.
97.0

- D.
61.8

- 4.
- 5.
- A.
157.0

- B.
256.3

- C.
1962.5

- D.
503.1

- 6.Round to the nearest tenth. Find the area of a circle with a radius of 13.8 m.
- 7.Round to the nearest tenth. Find the area of a circle with a diameter of 46.2 cm.
- A.
6702.1

- B.
1587.3

- C.
1675.5

- D.
145.1

- 8.Round to the nearest tenth. Find the area of a circle with a radius of 3.25 in.
- 9.Round to the nearest tenth. Find the area of a circle with a diameter of 6.8 meters.
- A.
36.3

- B.
36.4

- C.
145.2

- D.
145.1

- 10.Round to the nearest tenth. A spinkler can spray water 10 feet in all directions. How much area can the sprinkler water?
- A.
62.8 sq.feet

- B.
36.3 sq.feet

- C.
314.0 sq.feet

- D.
98.9 sq.feet

- 11.
- A.
50.2

- B.
45.6

- C.
15.3

- D.
25.1

- 12.Round to the nearest tenth. Olivia used a stick to draw a circle in the sand. The circle was 4 meters in radius. How many square meters were inside the circle?
- A.
50.2

- B.
25.1

- C.
45.6

- D.
13.6

- 13.Round to the nearest tenth. Isabella baked cookies that were each about 14 centimeters in radius. About how many square centimeters was the area of each cookie?
- A.
307.7

- B.
615.4

- C.
87.9

- D.
14.0

- 14.Round to the nearest tenth. Ryan used a drafting compass to draw a circle on paper. The circle was 12 cm in radius. How many square centimeters were inside the circle?
- A.
144.2

- B.
425.1

- C.
388.7

- D.
452.2

- 15.Round to the nearest tenth. A pizza was cut into 8 equal pieces. John's crust on his piece measured 5 inches. From the point of his slice to the edge of his crust, how many inches long was John's slice?
- A.
78.5

- B.
40.0

- C.
12.7

- D.
6.4