Question

find the area of triangle ABC AB 7.5 CM BC 9 CM CA 7.5 CM 6 CM

Answer 1

It is isosceles triangle therefore
Area=1/2 ×b×h
As altitude of isosceles triangle divide base in two equal parts therefore by pythagorus formula find height
Height =6cm
Area=1/2×9×6
=54/2
=27 cm square