Question

ABC is isosceles with AB=AC=7.5cm and BC=9cm the height AD From A to BCis 6cm. find the area of ABC. what will be the height from C to AB i. e AC​

Answer 1

Answer:

area of triangle= 1/ 2×b×h

b=9cm

h=6cm

1/2×9×6=27sqcm

b=7.5cm

h=xcm

so 1/2×b×h=27sqcm

1/2×7.5×x=27sqcm

so.x=7.2cm