Answer:
so length of sides is 6 .2 m ( other side will also be 6.2 m)
base = 3.2 cm
Step-by-step explanation:
solution
let the length of sides of isosceles triangle is = x
as two sides of of isosceles triangle are equal
let the length of the side be x
so length of side = x
base = x -3 ( as it is 3 m smaller in length )
according to formula of perimeter of isosceles triangle
perimeter = 2 (side) + Base
adding the values
15.6 = 2 (x) + x-3
15.6 = 2x +x -3
15.6 = 3x-3
15.6 = 3( x-1) taking 3 common
dividing both sides by 3
15.6/3 = 3(x-1)/3
5.2 =x-1
or x -1 = 5.2
adding 1 from both sides
x-1 +1 = 5.2 +1
x = 6.2
so length of sides is 6 .2 m ( other side will also be 6.2 m)
base = x-3 = 6.2-3 = 3.2 m
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