7th
-
9th
grade

Mathematics

43%

accuracy

plays

Jessica Noffke

4 years

Mathematics

7th -

9thgrade

Circle Practice

Jessica Noffke

2
plays

39 questions

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1. Multiple Choice
30 seconds
1 pt
What is the circumference of this circle?
51.27cm
50.7cm
50.27cm
50.37cm
2. Multiple Choice
45 seconds
1 pt
The radius of the circle is 9 meters. What is the circle's circumference?
9 meters
28.26 meters
56.52 meters
18 meters
3. Multiple Choice
1 minute
1 pt
If the diameter of a circle is 10 mm, the circumference is approximately ___
314 mm
3.14 mm
31.4 mm
20 mm
4. Multiple Choice
1 minute
1 pt
A cruise ship has a large, circular window. It has a diameter of 6 metres. What is the window's approximate circumference?
3 m
9.42 m
12 m
18.84 m
5. Multiple Choice
45 seconds
1 pt
Find the area of the circle below.
100
225
9
28.26
6. Multiple Choice
45 seconds
1 pt
What is the area of a circle with a radius of 21 cm?
1384.74 cm²
2142.12 cm²
4348.08 cm²
1289.12 cm²
7. Multiple Choice
45 seconds
1 pt
Find the area of the circle, leaving your answer in terms of π
18π cm²
324π cm²
36π cm²
81π cm²
8. Multiple Choice
45 seconds
1 pt
Find the area of the circle, giving your answer to 1 decimal place.
2.1m²
2.0m²
0.5m²
0.51m²
9. Multiple Choice
30 seconds
1 pt
Which of the following shows the correct working out when finding the ARC LENGTH of the sector shown in the diagram?
$\frac{45}{360}\times\left(2\times12\right)$
$\frac{45}{360}\times\left(2\times\pi\times12\right)$
$45\times2\times\pi\times12$
$\frac{360}{45}\times\left(2\times\pi\times12\right)$
10. Multiple Choice
30 seconds
1 pt
What is the ARC LENGTH of the sector shown in the diagram - correct to one decimal place?
18.8 yd
75.4 yd
6.0 yd
134.0 yd
11. Multiple Choice
45 seconds
1 pt
Find the area of the sector, rounding your answer to 1d.p.
67.1cm²
67.0cm²
16.8cm²
134.0cm²
12. Multiple Choice
45 seconds
1 pt
Find the area of the sector, rounding your answer to 1d.p.
15.4m²
15.3m²
15.5m²
15.6cm²
13. Multiple Choice
45 seconds
1 pt
Find the area of the sector, rounding your answer to 1d.p.
215.9cm²
216.0cm²
490.8cm²
490.9cm²
14. Multiple Choice
45 seconds
1 pt
Find the area of the sector, rounding your answer to 1d.p.
56.5cm²
56.6cm²
226.1cm²
226.2cm²
15. Multiple Choice
1 minute
1 pt
Find the length of the arc.
31.42cm
15.71cm
282.74cm
23.56cm
16. Multiple Choice
30 seconds
1 pt
Perimeter =
$\frac{60}{360}\times2\times\pi\times12$
$\frac{60}{360}\times2\times\pi\times12+12+12$
17. Multiple Choice
3 minutes
1 pt
What is the area of the shaded region?
144 - 9π
144 - 4π
144 - 3π
144 - 36π
18. Multiple Choice
2 minutes
1 pt
If the radius of this orange is 16mm, what is the area of one section? (Hint: There are 10 congruent sections of the orange)
71 mm²
80.4 mm²
31.5 mm²
31.4 cm²
19. Multiple Choice
2 minutes
1 pt
A pizza has a diameter of 6 inches and is cut into 8 slices. What is the area of each slice?
2.36 in
7 in
3.53 in
20. Multiple Choice
2 minutes
1 pt
The diagram shows a sector of a circle with centre O. Find the perimeter of the sector.
43
46
50
64
21. Multiple Choice
3 minutes
1 pt
Mr. Detto wants to replace the glass on his tabletop. The diameter of the table from edge to edge is exactly 1 metre. The wooden frame that holds the glass has a boarder that is 10cm wide. If the price of new glass is $0.89 per square centimetre, how much will he have to spend to replace the tabletop? (To the nearest dollar.)
$112
$224
$4474
$17895
22. Multiple Choice
5 minutes
1 pt
Alice has two frisbees. One is 12 cm in diameter and the other is 24 cm in diameter. What is the difference in square centimeters between the areas of the two frisbees (to the nearest whole number)?
313 square cm
339 square cm
340 square cm
383 square cm
23. Multiple Choice
3 minutes
1 pt
It takes Kevin 5 minutes to jog around a circular track that has a diameter of 400 metres. About how many metres per minute is Kevin jogging?
About 250 meters
About 350 meters
About 450 meters
About 500 meters
24. Multiple Choice
2 minutes
1 pt
Find the area of the shape shown.
95
9
380
190
25. Multiple Choice
2 minutes
1 pt
Find the area of the shape shown.
756mm
7.56cm
75.6cm
0.75cm
26. Multiple Choice
3 minutes
1 pt
Find the area of three quarters of a circle with a radius of 6.04mm
28.46
343.83
114.61
85.96
27. Multiple Choice
3 minutes
1 pt
The area of a circle is 352 square centimetres. Find its radius r.
10.59
112.05
1105.84
58.94
28. Multiple Choice
5 minutes
1 pt
Find the area of the shaded region.
78.96
402.12
146.12
256
29. Multiple Choice
5 minutes
1 pt
Find the area of the figure.
293.1
180
632.39
189.42
30. Multiple Choice
5 minutes
1 pt
Find the area of the shaded region
242
86
321
243
31. Multiple Choice
5 minutes
1 pt
Find the area of the shaded region in the figure.
94.25
245.04
226.19
904.77
32. Multiple Choice
5 minutes
1 pt
Find the area of the shaded region in the following figure.
85.84
242.9
314.16
232.9
33. Multiple Choice
5 minutes
1 pt
28.3
9.4
14.1
56.54
34. Multiple Choice
5 minutes
1 pt
Find the area of the shaded region.
19.63
15.12
23.08
31.5
35. Multiple Choice
5 minutes
1 pt
What is the perimeter of this sector?
23.67
218.75
2683.95
95.87
36. Multiple Choice
2 minutes
1 pt
Calculate the perimeter of the figure.
586.78
71.9
141
146.60
37. Multiple Choice
5 minutes
1 pt
Find the area of the shape below.
78.54
128.54
83.90
64.27
38. Multiple Choice
5 minutes
1 pt
The area of the sector is 2 960.90 square metres. Find the perimeter of the sector.
184.2
92.1m
276.3
248.5 m
39. Multiple Choice
2 minutes
1 pt
A donkey is tethered to a corner of a field which is fenced in two directions. The rope is 7m long. Over what area of the field can the donkey graze?
49
153.9
115.45
110.92
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Circle Practice

7th - 9thgrade

Mathematics

Mathematics

7th -

9thgrade

Circle Practice

2 plays

39 questions

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7th
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9th
grade

2
plays