A wire of length 20 m is to be cut into two pieces
MATHEMATICS · Single correct · A Level · Mathematics · Differentiation · Differentiation
Problem
A wire of length 20 m 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:
(a) 2+35
(b) 2+3310
(c) 3+35
(d) 3+2310