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OpenStudy (anonymous):
Can anyone help me? Is D the correct answer?
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OpenStudy (anonymous):
ganeshie8 (ganeshie8):
careful of the units
OpenStudy (anonymous):
B is correct one Use pi(r)^2
OpenStudy (anonymous):
area= pie*r*r. r =23. AREA = 1661.06 CM^2. OR THE ANSWER IS b.
OpenStudy (calculusxy):
The correct answer is choice B. The formula is pi(r^2). So you have the radius which is meant to be half of the diameter. What you have to do is multiply the radius two times since the formula has r^2 (23^2). Then you multiply the product by 3.14 (value of pi). The pi value never stops since it is an infinite amount of numbers. Once you multiply, 3.14x529=1661.06.
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