Math, asked by hncymte3380, 1 year ago

In an isosceles triangle abc in which ab=ac, rhe measures of sides ab and the base bc are in the ratio 13 : 11 . If the perimeter of abc is 259 cm , find the measures of all its sides?

Answers

Answered by TooFree
28

Given AB : BC = 13 : 11 (Given)

Since AB = AC, then

⇒AB : AC : BC = 13 : 13 : 11


Define x:

Let x be the constant ratio

AB : AC : BC = 13x : 13x : 11x


Solve x:

The perimeter is 259 cm

13x + 13x + 11x = 259

37x = 259

x = 259 ÷ 37

x = 7


Find the sides:

13x = 13(7) = 91 cm

11x = 11(7) = 77 cm


Answer: The sides are 91 cm , 91 cm and 77 cm


Answered by jiyapanchal53
4

Answer:

91 cm

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