Question

two equal sides of a triangle are each for metre less than three times the three sides find the side of the triangle if its perimeter is 55​

Answer 1

Answer:

Two equal sides of an isosceles triangle are 4m less than 3 times the third side.Find the dimensions of the triangle, if the perimeter is 55m.

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let x = 3rd side

(3x-4) = one of the equal sides

x + 2 (3x-4) = 55

x + 6x-8 = 55

7x = 63

x = 9

3x-4 = 27-4 = 23

dimensions:

3rd side = 9m

each equal side = 23m

Step-by-step explanation:

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