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Question
If you have a circle with an area of approximately 45 square feet, what is a good estimation for the radius of the circle?(4 points)
Put responses in the correct response input area to answer the question. Select a response, navigate to the desired input area and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
Step 1: What is the formula for finding the area of a circle? Press enter key to drop response here.Response input area

Step 2: What would be the first step in solving for the radius? Press enter key to drop response here.Response input area

Step 3: What would be the second step in solving for the radius? Press enter key to drop response here.Response input area

Step 4: The approximate radius would be about Press enter key to drop response here.Response input area







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Answer 1

Step 1: A = πr^2

Step 2: Divide both sides by π to get r^2 = A/π (so r^2 = 45/π)

Step 3: Take the square root: r = sqrt(45/π)

Step 4: r ≈ sqrt(45/π) ≈ 3.79 feet (≈ 3.8 ft)