Question

List the formulas for both triangle and rectangle:Area of a triangle:Area of the rectangles:Cost of the wallpaper to cover the wall:A-B-

Answer 1

The area of a triangle of base b, and height h, is calculated using the formula:

Area of a triangle = 0.5 x base x height = 0.5bh

Area of a rectangle with length l, and width w is given by the formula:

Area of a rectangle = Length x Width = lw