Unit 4 • Class 9Compulsory Mathematics (Mat.091)
Mensuration: Area of Triangles & Solids
क्षेत्रमिति: त्रिभुज र ठोस वस्तुहरूको क्षेत्रफल
Area of scalene triangles using Heron's formula, equilateral and isosceles triangles, total surface area and volume of triangular prisms and right circular cylinders.