Question

the perimeter of an isosceles triangle is 32 CM the ratio of the equal side to its base is ratio 2 find the area of triangle​

Answer 1

Answer :-

let ABC įß any traingle and AD įß altitude...

AB=BC ...

Let AB, BC be a..

let AD=h

Base =2 ..

perimeter = b+a+a=32 cm

12 +2a=32cm

2a=32-12

2a=20

a=10...

By Pythagoras theorem.... In traingle ADB

h²+b²=10²

h²=100-64

h²=64

h=8

Area of traingle = ½× base ×height

½×12×8

=48cm² Answer