
Act Area, Perimeter, Circumference
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The figure shows a circular well that has a diameter of 7 feet. What is the circumference of the well, in feet?
7/2 π
7π
49/4 π
14π
49π
Tags
CCSS.7.G.B.4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The perimeter of circular field is 500 feet. Which of the following is closest to the radius of the field, in feet?
10
50
80
160
250
Tags
CCSS.7.G.B.4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Circles A, B, and C have radii with measures of x centimeters, 3x centimeters, and 6x centimeters, respectively. What is the ratio of the radius of Circle B to the diameter of Circle C?
1:2
1:4
1:12
2:1
4:1
Tags
CCSS.7.G.A.1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A circle that lies on the standard (x,y) coordinate plane has its center at (8,-6) and passes through the origin. What is the area of this circle, in square coordinate units?
14π
20π
36π
64π
100π
Tags
CCSS.HSG.C.B.5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Richard brought his dog to the park and tied his leash to a flagpole while he had a picnic. The dog could reach 12 feet from the flagpole in any direction. What is the approximate area of the ground, in square feet, that the dog could reach from the flagpole?
19
38
75
113
452
Tags
CCSS.7.G.B.4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The figure shows a small circle with a diameter (line AC) and a large circle with a diameter (line AB) that is 32 inches long. Point C is the center of the large circle. What is the area, in square inches, of the small circle?
8π
16π
32π
40π
64π
Tags
CCSS.7.G.B.4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rectangle ABCD. shown in the picture, has side lengths of 8 inches and 10 inches. What is the approximate area, rounded to the nearest whole number, of the largest circle that can fit within the rectangle ABCD?
25 sq. in.
50 sq. in.
62 sq. in.
200 sq. in.
314 sq. in.
Tags
CCSS.7.G.B.4
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