Question 469201
If the area of a circle is 720 cm2, what is the area of the sector if the central angle measures 12degrees? 
= 720*(12/360) = 24 sq cm
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	A storage tank in the shape of a cube is to be insulated using material that costs $2.50 per square foot.   If the edge of the cube is 12 feet, how much will the insulation cost?
Area = 6s^2 = 6*12^2 = 864 sq ft
cost = 2.5*864 = $2160