Find the area of a triangle whose vertices are (1, 1), (5, 2) and (7, – McqOptions

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1.	Find the area of a triangle whose vertices are (1, 1), (5, 2) and (7, 4)
A.	5 units
B.	3 units
C.	7 units
D.	8 units
Answer» C. 7 units

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<table> <tbody> <tr> <td> 4</td> <td> ×</td> <td> 14</td> <td> ÷ 2 + 6</td> <td> 1</td> <td> is equal to</td> </tr> <tr> <td> 7</td> <td> 4</td> <td> 3</td> </tr> </tbody> </table>