Question

In triangle ABC ab=ac BC=10cm and the area of ABC is 60cm .find
x

Answer 1

Triangle ABC is an isosceles triangle as it's two sides ar equal

AB=x , AC =x , BC=10 cm , Area =60 cm

Area of triangle =sum of all the sides

60=x+x+10

60=2x+10

60-10=2x

50 =2x

x=50 ÷2

x=25 cm