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An isosceles triangle has a side of length 10 and a side of length 4.  What are all possible perimeters of the triangle?

 Jun 10, 2020
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It is an isosceles triangle so the equal sides must be 10 or 4.

 

10 + 10 + 4 = 24.

 

20 > 4.

 

4 + 4 + 10 = 18.

 

8 is not > 10 thus it is not a triangle.

 

The perimeter is 24.

 

If you don't understand anything feel free to ask!

 Jun 10, 2020

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