Question

The area of a circle is 314 square meters. What is the circle's radius?

Use 3.14 for л.
meters

Answer 1

The radius of the circle is 10 meters.

Explanation:

Step 1: Calculate the area of a circle with radius (r): A = лr²

Step 2: Plug in the given area (314 square meters) into the equation for area of a circle: 314 = лr²

Step 3: Divide both sides of the equation by л to isolate r²: 314/л = r²

Step 4: Take the square root of both sides of the equation to isolate the radius (r): √(314/л) = r

Step 5: Substitute the value of л with 3.14: √(314/3.14) = r

Step 6: Calculate the square root of 314/3.14: r = 10

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