1.62 pi m2
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The area of a circle whose radius is 19 centimeters is: 1,134 cm2
Area = Pi(r)2 - A circle with a radius of 12 centimeters has an area of 452.39 square centimeters.
40.8cm
Volume of cylinder: p*49*8 = 1231.5 cubic units to one decimal place
circumference = 2 x π x radius = 2 x 3.14 x 15 cm = 94.2 cm