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Vector Algebra question

2021 · 26 Aug · Shift 2 · Q35

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JEE Main
Mathematics
Vector Algebra
2021 · 26 Aug · Shift 2 · Q35

Vector Algebra question

2021 · 26 Aug · Shift 2 · Q35

JEE MainMathematicsVector AlgebraMCQ+4 / −1

A hall has a square floor of dimension 10 m

\times

10 m (see the figure) and vertical walls. If the angle GPH between the diagonals AG and BH is

{\cos ^{ - 1}}{1 \over 5}

, then the height of the hall (in meters) is : JEE Main 2021 (Online) 26th August Evening Shift Mathematics - Vector Algebra Question 140 English

JEE Main 2021 (Online) 26th August Evening Shift Mathematics - Vector Algebra Question 140 English

A
5
B
2 $\sqrt {10}$
C
5 $\sqrt {3}$
D
5 $\sqrt {2}$

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