A vertical rod of height 33 metres is bent to form a semi-circular shape so that the top touches the ground… · ABC26GN4599

Subject: General Aptitude · Chapter: Area · Exam: I.A.M. 2007

A vertical rod of height 33 metres is bent to form a semi-circular shape so that the top touches the ground. The distance between the top head and the base on the ground is

(a)10.5 m

(b)12 m

(c)21 m

(d)33 m

Answer

Answer (as printed): C

Explanation

$\pi R=33 \Rightarrow R=\left(\frac{33 \times 7}{22}\right)=\left(\frac{21}{2}\right) \mathrm{m}$. ∴ Required distance $=2 R=21 \mathrm{m}$.

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