Find the distance between the points (-3, -3), (4, 5). [2 MARKS]

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Find the distance between the points (-3, -3), (4, 5). [2 MARKS]

Options:

Answer: Option A
:

Concept : 1 Mark
Application : 1 Mark
Distance between points $A (x_{1}, y_{1})$ and $B (x_{2}, y_{2})$ is,
$D = \sqrt{{(x_{2} - x_{1})}^{2} + {(y_{2} - y_{1})}^{2}}$
$D = \sqrt{{(4 - (- 3))}^{2} + {(5 - (- 3))}^{2}}$
$D = \sqrt{7^{2} + 8^{2}}$
$D = \sqrt{113} u n i t s$

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