Question

Two equal sides of a triangle are each 5 meters less than twice the third side. If the
perimeter of the triangle is 55 meters, find the length of its sides?
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Answer 1

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$\large \tt \red{✦Answer✦}$

Let the length of third side be a units

length of equal sides = (2a -5) units

now, perimeter = 55

⇒a + (2a-5) +(2a-5) = 55

⇒5a =65

⇒a =13

so length of sides are 13 m, 21 m and 21 m

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Answer 2

Answer:

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Step-by-step explanation:

✦Answer✦

Let the length of third side be a units

length of equal sides = (2a -5) units

now, perimeter = 55

⇒a + (2a-5) +(2a-5) = 55

⇒5a =65

⇒a =13

so length of sides are 13 m, 21 m and 21 m