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# Circles – Area (Grade 7)

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## Circles – Area

1.
The circle has a diameter of $5 ft$. The area is about $20 ft^2$. 1. True
2. False
2.
What is the area of a circle if the circumference is 90?
1. $644.6$
2. $28.6$
3. $2","578.3$
4. $45$
3.
What is the area of a circle if the circumference is 16?
1. $32$
2. $25.9$
3. $5.1$
4. $20.4$
4.
What is the area of a circle if the circumference is 29?
1. $9$
2. $67$
3. $1.4$
4. $21$
5.
What is the area of of a circle if the circumference is 62?
1. $305.9$
2. $97$
3. $20$
4. $31$
6. What is area of this shape to the nearest tenth if the circumference is 9.42 feet?
1. 28.3 square feet
2. 9.4 square feet
3. 7 square feet
4. 7.1 square feet
7.
If the circumference of a circular swimming pool is 1,000 units, what is the area of the pool to the nearest hundredth unit?
1. 79,577.47
2. 25,330.30
3. 318,309.89
4. 500
8.
Louis is building a circular garden. How many square feet of dirt does he need if the distance around the garden is 50 ft?
1. $199 \ "ft"^2$
2. $8 \ "ft"^2$
3. $16 \ "ft"^2$
4. $100 \ "ft"^2$
9.
What is area of a circular plate if the circumference is 20 inches?
1. 32 square inches
2. 6.4 square inches
3. 62 square inches
4. 16 square inches
10.
If the circumference of a round table is 90 inches, what is the area of the table to the nearest tenth, in square feet?
1. $644.6 \ "ft"^2$
2. $4.5 \ "ft"^2$
3. $648 \ "ft"^2$
4. $45 \ "ft"^2$
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