coordinate

Question: The length of altitude through A of the triangle ABC, where $A\equiv (-3,\,0);\,B\equiv (4,\,-1);\,C\equiv (5,\,2),$ is



1) $\frac{2}{\sqrt{10}}$
2) $\frac{4}{\sqrt{10}}$
3) $\frac{11}{\sqrt{10}}$
4) $\frac{22}{\sqrt{10}}$
Solution: Explanation: No Explanation
System of co-ordinates Distance between two points Section formulae

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