1. The radius of a circle is 9 centimeters. What is the area?
2
The diameter of a circle is 12 inches. What is the area?
"The radius of a circular rug is 4 feet. What is the area?
If the diameter of a circular wall clock is 30 cm, what is the area of the
clock?
5. Find the area of a circular pool whose radius is 2 meters.
6. Father will fence a circular newly planted garden whose radius is 3.5 m.
How many meters of fencing material will be use?
2
The diameter of a circle is 12 inches. What is the area?
"The radius of a circular rug is 4 feet. What is the area?
If the diameter of a circular wall clock is 30 cm, what is the area of the
clock?
5. Find the area of a circular pool whose radius is 2 meters.
6. Father will fence a circular newly planted garden whose radius is 3.5 m.
How many meters of fencing material will be use?
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Answer:
1.The area of a circle is equal to Pi π times the radius r squared. Substitute in the value of the radius r=9 into the formula for the area of a circle. Pi π is approximately equal to 3.14 .
2.A≈113.1in²
3.A≈50.27ft²
4. The area would be 225π cm² or roughly 706.85 sq. cm
5.AREA OF A CIRCLE IS πr² (3.14)(2)²= 12.56
6.63 centimeters
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