SOLUTION: A leather coin purse has the shape of a triangle. Two sides are equal in length and the third side is 3 centimeters shorter than one and one-half times the length of the equal side

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Question 265691: A leather coin purse has the shape of a triangle. Two sides are equal in length and the third side is 3 centimeters shorter than one and one-half times the length of the equal sides. The perimeter is 28.5 centimeters. Find the lengths of the sides.
Answer by solver91311(24713) About Me  (Show Source):
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Let represent the measure of one of the equal sides. Then the remaining side must measure

The perimeter of any polygon is the sum of the measures of the sides, so:



Solve for to get the measure of the two equal sides and the third side is a simple calculation from there.


John