SOLUTION: a triangle is equal in area to a rectangle which measures 10cm by 9cm. if the base of the triangle is 12cm long, find its altitude

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Question 1140454: a triangle is equal in area to a rectangle which measures 10cm by 9cm. if the base of the triangle is 12cm long, find its altitude
Answer by Alan3354(69443) About Me  (Show Source):
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a triangle is equal in area to a rectangle which measures 10cm by 9cm. if the base of the triangle is 12cm long, find its altitude
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Area = 90
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Area = b*h/2