heron’s formula class 9 extra questions
heron’s formula class 9 extra questions(R.D. Sharma Level – Class 9) Extra Practice Questions Heron’s Formula (R.D. Sharma Level – Class 9) 1. The perimeter of an isosceles triangle is 32 cm. The ratio of the equal side to its base is 3:2. Find the area of the triangle. Let the equal sides be 3x … Read more