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| Math Central | Quandaries & Queries |
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Question from Jazzy, a student: An isosceles triangle is a 2 congruent (equal) sides. Of the third side is three times the length of the congruent side(s), and the perimeter is 75 cm, find the length of all three sides of the triangle |
Hi Jazzy,
Suppose that the length of one of the congruent sides is x cm.
What is the length of the other congruent side?
What is the length of the third side?
What is the sum of the lengths of the three sides?
Solve for x.
Check your answer.
Penny
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