Substitute the base and height values into the formula. (9 × 12) ÷ 2 = 54 The area of the triangle is 54 mm² Working in centimetres the base is 0∙9 cm, and the height is 1.2 cm. Substitute ...

The video also covers the concept of congruency, demonstrating how two triangles can be equal in area. It introduces the formula for calculating the area of a triangle and explains the Pythagorean ...

Maths Formulas for Class 10 ... × d] Sum of all terms in AP with the last term ‘l’ = n/2(a + l) Area of a Right Triangle = A = 1/2 × Base × Height Area of an Equilateral Triangle = A ...