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Area of a Circle Sector From Arc Length to Area (Closest Integer) (Level 3)

This math topic focuses on calculating the area of a circle's sector based on the given arc length and radius. For each question, students are provided with different values for the arc length and radius and are asked to determine the sector area rounded to the nearest integer. It includes basic applications in geometry, specifically involving the area of sectors in circles, enhancing the understanding of circle-related computations. This topic is part of an introductory unit on the geometry of circles, sectors, and donuts.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Circle Sector From Arc Length to Area (Closest Integer)

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Find the area (to the closest integer) of the green shaded sector with an arc length of 20.94 in the circle with radius 5

20.94r=5

Area of a Circle Sector From Arc Length to Area (Closest Integer) Worksheet

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Math worksheet on 'Area of a Circle Sector From Arc Length to Area (Closest Integer) (Level 3)'. Part of a broader unit on 'Geometry - Circle Area, Sectors and Donuts - Intro' Learn online: app.mobius.academy/math/units/geometry_circles_sector_donut_area_logic_intro/
1
Find the area (to the closest integer) of the green shaded sector with an arc length of 12.57 in the circle with radius 3
An svg image showing a math problem
a
20
b
19
c
22
d
15
e
14
f
25
2
Find the area (to the closest integer) of the green shaded sector with an arc length of 27.49 in the circle with radius 5
An svg image showing a math problem
a
123
b
99
c
51
d
69
e
117
f
39
3
Find the area (to the closest integer) of the green shaded sector with an arc length of 22.62 in the circle with radius 6
An svg image showing a math problem
a
20
b
122
c
74
d
68
e
62
f
56
4
Find the area (to the closest integer) of the green shaded sector with an arc length of 19.63 in the circle with radius 5
An svg image showing a math problem
a
29
b
21
c
61
d
81
e
49
f
77
5
Find the area (to the closest integer) of the green shaded sector with an arc length of 16.76 in the circle with radius 4
An svg image showing a math problem
a
40
b
22
c
7
d
55
e
58
f
34
6
Find the area (to the closest integer) of the green shaded sector with an arc length of 7.54 in the circle with radius 6
An svg image showing a math problem
a
23
b
11
c
25
d
7
e
5
f
19
7
Find the area (to the closest integer) of the green shaded sector with an arc length of 33.51 in the circle with radius 6
An svg image showing a math problem
a
101
b
81
c
31
d
151
e
71
f
41