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The base of an isosceles triangle is 7 cm longer than the legs. Find the legs if the perimeter of the triangle is 43 cm.

The base of an isosceles triangle is 7 cm longer than the legs. Find the legs if the perimeter of the triangle is 43 cm.
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The base of an isosceles triangle is 7 cm longer than the legs. Find the legs if the perimeter of the triangle is 43 cm.

User Coltfred
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1 Answer

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If L represents the leg length, the perimeter is ...
43 cm = L + L + (L +7 cm)
36 cm = 3L
12 cm = L

The length of the legs is 12 cm.
User Jarussi
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