1. Area of a triangle
Sunday, 16 June 2019

2. h b h b b x h Area of rectangle = Area of triangle =
Half the area of the rectangle
=  x b x h b h
Area of a triangle =  x b x h
Where the h is the perpendicular height
Units of area are mm2, cm2, m2, km2, ....

3. Work out the area for each of the following triangles (a)
Example
Work out the area for each of the following triangles
(a)
7cm
8cm
(b)
12cm
7cm

4. (c) 5m
14m
(d)
7cm
3cm

5. (e) 9m 7m
(f)
7cm
6cm
4cm

6. An Arrow had is in the shape as shown below. Calculate its area
Example
An Arrow had is in the shape as shown below.
Calculate its area
4cm
8cm
3cm