The perimeter of an isosceles triangle is 42cm and its base is 3/2times each of the equal sides .find the length of each side of the triangle, area of the triangle and the height of the triangle..
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let equal side be x
x+x+3x / 2 = 42
7x/2 = 42
x=12cm
equal sides are 12cm,12cm and 18 cm
s= 42/2
= 21
area = root over 21*9*9*3
area = root over 27√7
height =3√7cm
x+x+3x / 2 = 42
7x/2 = 42
x=12cm
equal sides are 12cm,12cm and 18 cm
s= 42/2
= 21
area = root over 21*9*9*3
area = root over 27√7
height =3√7cm
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