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3D Geometry question

2025 · 23 Jan · Shift 1 · Q27

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JEE Main
Mathematics
3D Geometry
2025 · 23 Jan · Shift 1 · Q27

3D Geometry question

2025 · 23 Jan · Shift 1 · Q27

JEE MainMathematics3D GeometryMCQ+4 / −1

Let P be the foot of the perpendicular from the point

\mathrm{Q}(10,-3,-1)

on the line

\frac{x-3}{7}=\frac{y-2}{-1}=\frac{z+1}{-2}

. Then the area of the right angled triangle

P Q R

, where

R

is the point

(3,-2,1)

, is

A
$\sqrt{30}$
B
$9 \sqrt{15}$
C
$3 \sqrt{30}$
D
$8 \sqrt{15}$

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