the perimeter of an isocles triangle is 40 cm the base is two third of the sum of equal sides find the length of each side
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let base=x and two sides = y (since two sides are equal )
perimeter
=x +y+y=40
=>x+2y=40.........(1)
and given,
x=2/3*2y
=>x=4/3y
putting this value in (1)
2/3y+y=40
4y + 6y = 120 ( LCM and cross multiply)
y=12
x=16
perimeter
=x +y+y=40
=>x+2y=40.........(1)
and given,
x=2/3*2y
=>x=4/3y
putting this value in (1)
2/3y+y=40
4y + 6y = 120 ( LCM and cross multiply)
y=12
x=16
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