SOLUTION: The cost of fertilizing a lawn is $0.25 per square foot. Find the cost to fertilize the triangular lawn whose base is (12+sqrt 15) feet and altitude is sqrt 60 feet.

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Question 1113850: The cost of fertilizing a lawn is $0.25 per square foot. Find the cost to fertilize the triangular lawn whose base is (12+sqrt 15) feet and altitude is sqrt 60 feet.
Answer by ikleyn(52858) About Me  (Show Source):
You can put this solution on YOUR website!
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= 0.25%2A%281%2F2%29%2A%2812%2Bsqrt%2815%29%29%2Asqrt%2860%29 = $15.37.