Changes

{| class="wikitable"

|-

| style="height:20px; width:500px; text-align:left;" colspan = "3"|[[File:vtGraph1.png|centre|500px]]

<math>area = 3 \times 30</math>

| style="height:20px; width:200px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers into the [[equation]] and [[Solve (Maths)|solve]].'''

<math>area = 3 \times 30</math>

<math>area = \frac{b \times h}{2}</math>

<math>area = \frac{3 \times (50-30)}{2}</math>

|}