The points $A (1 2), B (2, 4)$ and $C (4, 8)$ form a/an

isosceles triangle

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equilateral triangle

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straight line

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right-angled triangle

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Solution

The correct option is C
straight line

Explanation of the correct option
Given points, $A (1 2), B (2, 4)$ and $C (4, 8)$
Slope of $A B = \frac{4 - 2}{2 - 1}$
$= 2$
Slope of $B C = \frac{8 - 4}{4 - 2}$
$= 2$
Slope of $C A = \frac{8 - 2}{4 - 1}$
$= 2$
Since the slope of all the line segment is same.
Therefore, points $A (1 2), B (2, 4)$ and $C (4, 8)$ form a straight line.
Hence option $(C)$ is the correct option.

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