Distance between $A (4, 5, 6)$ from origin $O$ is

25 \sqrt{3}

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\sqrt{77}

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3 \sqrt{5}

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Solution

The correct option is B $\sqrt{77}$
Origin is $O (0, 0, 0)$ and given point is $A (4, 5, 6)$
So, distance $=$ $\sqrt{(4 - 0)^{2} + (5 - 0)^{2} + (6 - 0)^{2}}$
$= \sqrt{4^{2} + 5^{2} + 6^{2}} = \sqrt{77}$

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Distance between A(4,5,6) from origin O is

The correct option is B √77Origin is O(0,0,0) and given point is A(4,5,6)So, distance = √(4−0)2+(5−0)2+(6−0)2=√42+52+62=√77

Distance between $A (4, 5, 6)$ from origin $O$ is

The correct option is B $\sqrt{77}$
Origin is $O (0, 0, 0)$ and given point is $A (4, 5, 6)$
So, distance $=$ $\sqrt{(4 - 0)^{2} + (5 - 0)^{2} + (6 - 0)^{2}}$
$= \sqrt{4^{2} + 5^{2} + 6^{2}} = \sqrt{77}$