Question 1026133
Hi there,
Make the two equal sides = x
The base = x/2
Perimeter = Two equal sides added + base
25 = x + x + x/2
2x x/2 = 5/2x
5/2x = 25
5x = 2 * 25  (* times)
5x = 50
x = 50/5
x = 10
Two equal sides each = 10cm
Base = 5cm
Hope this helps :-)