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A wire of length 20m is to be cut into two pieces. One of the pieces is to be made into a square and the other into a regular hexagon. Then the…

JEE Main 2021 — Mathematics Calculus

2021mcqmedium

A wire of length 20m20m20m is to be cut into two pieces. One of the pieces is to be made into a square and the other into a regular hexagon. Then the length of the side (in meters) of the hexagon, so that the combined area of the square and the hexagon is minimum, is

Official previous-year question

Held on 27 Aug 2021 · Verified 6 Jul 2026.

Options

  1. A

    102+33\frac{10}{2+3\sqrt{3}}2+33​10​

  2. B

    53+3\frac{5}{3+\sqrt{3}}3+3​5​

  3. C

    103+23\frac{10}{3+2\sqrt{3}}3+23​10​

  4. D

    52+3\frac{5}{2+\sqrt{3}}2+3​5​

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