princesspayton9 princesspayton9

27-02-2016
Mathematics

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What is the area of a circle if the diameter is 1 ft and 6 in ?

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Аноним Аноним

27-02-2016

The area of a circle is:
pi times radius squared

So, the area of a circle with a diameter of 1ft 6 in would be
(diameter = radius times 2)
3.14 (pi) times 1ft 6 in = area
3.14 times (1 ft 6 in = 18in) = area
3.14 times ((18/2)² ) = area

Area = 254.34

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