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Margaret [11]
2 years ago
8

What is the area of a circle with a diameter 42 inches

Mathematics
2 answers:
melisa1 [442]2 years ago
6 0

Answer:

1385.44

Step-by-step explanation:

Use the formula for the area of a circle. A = \pi x^{2}

Leviafan [203]2 years ago
5 0

Answer: The area of the circle equals 1384.74 in²

Step-by-step explanation: The first and only clue we have here is that the diameter of the circle has been provided, which is 42. That makes the radius equal to 21, since half of a diameter is the radius.

With the area and the radius already known, we shall now express the area as follows

Area of circle = πr²

Area of circle = 3.14 x 21²

Area of circle = 3.14 x 441

Area of circle = 1384.74 in²

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