Question

Find the area of the triangle whose vertices are (0, 4), (0, 0) and (2, 0) by plotting them on the graph.
[4 MARKS]

Answer 1

Plotting : 1 Mark
Formula : 1 Mark
Calculation : 1 Mark
Result : 1 Mark

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The triangle is a right-angled triangle with base 2 units and height 4 units.

Area of triangle = $\frac{1}{2}\times b\times h$
Area of triangle = $\frac{1}{2}\times 2\times 4$ = 4 sq. units.