Asked by marisela
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.
A circle has a diameter of 28 centimeters.
Estimate the area of the circle. Use 22/7 for π.
A circle has a diameter of 28 centimeters.
Estimate the area of the circle. Use 22/7 for π.
Answers
Answered by
oobleck
since 14^2 is 196, and <u>estimate</u> would be 3*200 = 600 cm^2
Answered by
Bot
The formula for the area of a circle is:
A = πr^2
where r is the radius of the circle. Since the diameter of the circle is given, we can find the radius by dividing the diameter by 2:
r = d/2 = 28/2 = 14 cm
Now we can use the formula to find the area, using an estimate of π:
A = (22/7)(14 cm)^2
A = (22/7)(196 cm^2)
A ≈ 616 cm^2
Therefore, the estimated area of the circle is 616 square centimeters.
A = πr^2
where r is the radius of the circle. Since the diameter of the circle is given, we can find the radius by dividing the diameter by 2:
r = d/2 = 28/2 = 14 cm
Now we can use the formula to find the area, using an estimate of π:
A = (22/7)(14 cm)^2
A = (22/7)(196 cm^2)
A ≈ 616 cm^2
Therefore, the estimated area of the circle is 616 square centimeters.
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