The perimeter of an isosceles triangle is 23 cm. The base is 4 cm less than one of the equal sides. Find the length of each side.

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Mineiro2004 Mineiro2004

06-11-2017
Mathematics

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The perimeter of an isosceles triangle is 23 cm. The base is 4 cm less than one of the equal sides. Find the length of each side.

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abbywellman abbywellman · Answer 1 · 2017-11-06T23:48:16+01:00

abbywellman abbywellman

06-11-2017

Since it is an isos. triangle we know that both sides are equal
Let's let the base=b and the legs =L
We know that B=L-4
And L-4+L+L=23
3L-4=23
3L=27
L=9
Hope this helps! :)
Let me know if you have any questions!

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