The ordinate of a point $A$ on the $y -$ axis is $5$ and $B$ has coordinates $(- 3, 1)$ , then find the length of $A B$ .

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Solution

Given that,
$A$ is on $y -$ axis with ordinate of $5$
$\Rightarrow A$ is $(0, 5)$ and $B$ is $(- 3, 1)$

Length of $A B =$ Distance between their co-ordinates $= \sqrt{(0 - (- 3))^{2} + (5 - 1)^{2}}$
$= 5$ units

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The ordinate of a point A on the y−axis is 5 and B has coordinates (−3,1), then find the length of AB.

Given that,A is on y−axis with ordinate of 5⇒A is (0,5) and B is (−3,1)Length of AB= Distance between their co-ordinates =√(0−(−3))2+(5−1)2 =5 units

The ordinate of a point $A$ on the $y -$ axis is $5$ and $B$ has coordinates $(- 3, 1)$ , then find the length of $A B$ .

Given that,
$A$ is on $y -$ axis with ordinate of $5$
$\Rightarrow A$ is $(0, 5)$ and $B$ is $(- 3, 1)$

Length of $A B =$ Distance between their co-ordinates $= \sqrt{(0 - (- 3))^{2} + (5 - 1)^{2}}$
$= 5$ units