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Old 07-27-2007   #2
Clov
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1. 3024= 1/2 ( 36) ( 78 +b) b= 3024*2/36 - 78 = 902. 108 pie = 1/2 ( 18)^2 ( angle) angle = 2/3 pie. measure of FAN = 18+18+ 18( 2/3 pie) = 36 + 12 pie = 36+37.71 = 73.71 cm3.area of rectangle = 14( 14+14) = 392 cm sq area of 2 circle = 2[ 1/2 ( 7)(7)( 2 pie rad) =308 cm area of shaded region = 392-308 = 84cm sq