Question

Each of the two equal sides of an isoceles triangle is 1cm is less the third if its perimeter is 16cm find the side

Answer 1

Let one side be x
other 2 sides are x-1
therefore,
x + x-1 + x-1 = 16
3x-2 = 16
3x = 18
x = 6
therefore, one side is 6 cm nd other 2 equal sides are 5 cm each