Question

3.Length of equal sides of an isosceles triangle is 4/6 times its base. its perimeter is 40cm. Find length of equal sides.


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Answer 1

Answer:

Let x be length of equal sides of isoscles triangle & y be length of base

Perimeter = 2x+y

2x+y=62

Given [x=y+4]

2(y+4)+y=62

3y=62-8

3y=54

[y=18 cm] and x= y+4=22 cm

∴ length of equal side is 22 cm & length of base is 18 cm.

Step-by-step explanation:

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