Question

the base of an isosceles triangle is 12cm and its perimiter is 32cm find its area​

Answer 1

Hi...

let sides of isosceles triangle be x
perimeter = 32cm
perimeter = sum of all sides

▪$x + x + 12 = 32$
▪$2x = 32 - 12$
▪$2x = 20$
▪$\boxed{x = 10}$

#THANKS

Answer 2

32-12/2

20/2

10

sides r 12cm

10cm

10cm

area=1/2×b×h

sorry for incomplete ans