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
- Base = 14cm, height = 16cm
- Base = 10cm, height = 8cm
- Base = 25cm, height = 22cm
- Base = 30cm, height = 15cm
- Base = 24cm, height = 18cm
- Base = 14cm, height = 16cm
- Base = 34cm, height = 15cm
- Base = 52cm, height = 48cm
See also
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