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Area of Circle Sector 11.3
By Larry Mooney
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Last updated over 1 year ago
22 questions
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The area for the sector of a circle is found by using the formula
A = π • r² • m/360
r is the radius of the circle.
m is the measurement of the angle making the sector.
For the first problem below #3A
It would be
π • 4² • 53/360
And that would equal 7.4 ft²
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Question 1
1.
Find the area of this sector.
52.52 cm²
18.72 cm²
37.82 cm²
47.52 cm²
Question 2
2.
Find the area of this sector.
563.8 mm²
354.6 mm²
668.9 mm²
463.6 mm²
Question 3
3.
Find the area of this sector.
Be careful on this one. It is looking for the area of the entire shaded part. Remember there are 360° in a circle.
589.09 cm²
645.23 cm²
685.07 cm²
725.46 cm²
Question 4
4.
Find the area of this sector.
626 cm²
873 cm²
1223 cm²
983 cm²
Question 5
5.
Find the area of this sector.
29.8 cm²
23.5 cm²
27.5 cm²
36.9 cm²
Question 6
6.
Find the area of this sector.
12.34 in²
9.59 in²
10.04 in²
11.56 in²
Question 7
7.
Find the area of this sector.
26.8 cm²
58.8 cm²
40.2 cm²
65.8 cm²
Question 8
8.
Find the area of this sector.
267.6 ft²
167.1 ft²
161.7 ft²
254.8 ft²
Question 9
9.
31.8 in²
27.8 in²
44.4 in²
34.5 in²
Question 10
10.
15.86 in²
13.09 in²
16.85 in²
14.37 in²
Question 11
11.
Find the diameter of a circle with an area of 74 square millimeters.
9mm
11mm
10mm
9.7 mm
Question 12
12.
The area of a circle is 88 square inches. Find the radius.
5 inches
44 inches
15.3 inches
5.3 inches
Question 13
13.
The area of a circle is 68 square centimeters. Find the diameter.
34 cm
17 cm
9.3 cm
10 cm
Question 14
14.
Find the diameter of a circle with an area of 94 square millimeters.
10.9 mm
47 mm
10 mm
23.5 mm
Question 15
15.
The area of a circle is 112 square inches. Find the radius.
28 inches
3 inches
56 inches
6 inches
Question 16
16.
Find the radius of a circle with an area of 206 square feet.
4.05 fee
8.1 feet
51.5 feet
103 feet
Question 17
17.
Find the area of a circle with radius 5.5 ft
95 ft.²
Question 18
18.
Find the area of a circle with radius 10 feet
314.16 ft. ²
68.5 ft. ²
31.4 ft. ²
70.5 ft. ²
Question 19
19.
Find the area of a triangle with a base of 10m and a height of 12m.
30 m²
60 m²
180 m²
120 m²
Question 20
20.
Find the area of a trapezoid with height of 6m and bases of 12m and 18m.
60 m²
45 m²
90 m²
Question 21
21.
The area is 66 square cm. X represents the diameter. Find the radius. Find the diameter of the right side of the diameter sector.
55 cm
13 cm
6.5 cm
26 cm
Question 22
22.
Find the area of a trapezoid if the bases are 26 and 12.5 cm, and the height is 10 cm
