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valentinak56 [21]
3 years ago
10

What is the diameter in inches of a circle that has an area of 81

Mathematics
1 answer:
devlian [24]3 years ago
7 0

Answer:

d = 10

Step-by-step explanation:

A = πr²

81 /π = r²

r² ≈ 25

r = 5

d = 5(2) or 10

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A bicycle wheel travels exactly 26/pi inches in I full rotation, what is the area, to the nearst square inch, of a circle the sa
Murrr4er [49]

The area, to the nearst square inch, of a circle the same size az the bicycle wheel is  531 inches².

<h3>What is the area of the circle?</h3>

A circle is a bounded figure which points from its center to its circumference is equidistant.

Area of a circle = πr²

Where :

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R = radius

The full rotation of the wheel is equal to the circumference of the wheel.

circumference of the wheel = 2 πr

26π = 2 πr

r = 13 inches

Area = 22/7 x 13³ = 531 inches²

To learn more about the area of a circle, please check: brainly.com/question/14351152

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3 0
2 years ago
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Sergeeva-Olga [200]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
Write the point-slope form of the equation of the line through the given points: ( – 1, – 2) and ( 1, 4)
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8 0
3 years ago
Explain how to bisect the angle using a compass.
VikaD [51]
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3 0
3 years ago
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The answer would be 2/5.




7 0
4 years ago
Read 2 more answers
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