Question

3- Calculate the area of the following triangles E:

Answer 1

Area of triangle

`(1)/(2) * base * height`

Since

Base = 7cm

Height = 3cm

`= (1)/(2) * 7 * 3`

`= (1)/(2) * 21`

`= (21)/(2)`

Hence the area is 10.5 cm