Asked by brigit
One ounce of icing covers an area of about 12 inches2. How many ounces of blue icing are needed to cover the top of a round cake that has a diameter of 14 inches?
Answers
Answered by
Ms. Sue
A = pi * r^2
A = 3.14 * 7^2
A = 3.14 * 49
A = 153.9
153.9 / 12 = ________ ounces
A = 3.14 * 7^2
A = 3.14 * 49
A = 153.9
153.9 / 12 = ________ ounces
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