Each of two equal sides of a triangle is 3 cm less than twice the third side. If the perimeter of tge triangle is 69 cm . Find the length of its side
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Let the lengths of the sides be x,x and (x +3) respectively
Perimeter= 69 = x +x + x+3 = 3x+3
3x+3= 69
3x= 69-3= 66
x= 66/3= 22
Therefore, the lengths of sides are 22,22 and 22+3
= 22,22 and 25
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Step-by-step explanation:
Let the lengths of the sides be x,x and (x +3) respectively
Perimeter= 69 = x +x + x+3 = 3x+3
3x+3= 69
3x= 69-3= 66
x= 66/3= 22
Therefore, the lengths of sides are 22,22 and 22+3
= 22,22 and 25
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