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

MCQ

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

A
$25\sqrt3$
B
$\sqrt{77}$
C
$3\sqrt{5}$
D
Data Insufficient

✓

Answer

$\sqrt{77}$

Solution:

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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