Question

in an isosceles triangle abc with ab=ac and ad us perpendicular to bc , if ad=6cm and perimeter is 36 find area of abc​

Answer 1

Answer:

Step-by-step explanation:

this is an isosceles triangle

1 side is 10 cm so the other side will be also 10 cm.

perimeter-36cm

36=10+10+x

36=20+x

36-20=x

x=16

area of triangle=1/2×b×h

=1/2×10×16

=5×16

=80cm square