AREA OF RIGHT ANGLED TRIANGLE

A right-angled triangle has 3 – sides

Example 1

Calculate the area of a triangle of height 12cm and base 13cm

Solution

Area of triangle = ½ x base x height

= ½ x 12cm  x 13cm

1            1

                         = 1 x 6cm x 13cm =  78cm²

 

EXERCISE

Calculate the area of the triangles with the following dimensions

1. Base = 14cm, height = 16cm
2. Base = 10cm, height = 8cm
3. Base = 25cm, height = 22cm
4. Base = 30cm, height = 15cm
5. Base = 24cm, height = 18cm
6. Base = 14cm, height = 16cm
7. Base = 34cm, height = 15cm
8. Base = 52cm, height = 48cm

 

See also

PROFIT AND LOSS PERCENT

SIMPLE INTERREST

MONEY: PROFIT AND LOSS

SIMPLE PROBLEMS ON PERCENTAGES

RATIO AND PERCENTAGE