find the area of isosceles triangle if the perimeter is 11 cm and the base is 5 cm
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isosceles triangle is 2 side are equal
perimeter of the isosceles triangle=11
base =5cm
let the side be=2x
2x+5=11
2x=11-5
X=6/2
X=3
perimeter of the isosceles triangle=11
base =5cm
let the side be=2x
2x+5=11
2x=11-5
X=6/2
X=3
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