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Question

If the area of the triangle with vertices (x,0),(1,1) and (0,2) is 4 square units, then the value of x is:


A

-2

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B

-4

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C

-6

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D

8

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Solution

The correct option is C

-6


Explanation for the correct option.

Given that coordinates of triangle, (x,0),(1,1) and (0,2).

Area of triangle =12||x01111021||
12||x01111021||=4x-2=±8x=±8+2x=-6,10

Hence, option C is correct.


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