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Mathematics 10 Online
OpenStudy (anonymous):

What is the perimeter of an isosceles triangle with base of 13 m and congruent sides of 9 m?

OpenStudy (mathstudent55):

If it's an isosceles triangle, that means at least two sides have the same length. The perimeter is the sum of the lengths of the sides.

OpenStudy (anonymous):

13 + 9 + 9 = 31 m.

OpenStudy (mathstudent55):

Correct.

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