Mathematics for IGCSE & O level - Mensuration (Section 10 - No. 40)
Which of the following is necessary to calculate the area of a triangle?
Base
Height
Radius
Angle
Εξήγηση
The area of a triangle is calculated using its base and height (Area = 1/2 * base * height). While angles can be used in different area calculations, the base and height are necessary.