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Exercise: An ant lives on the surface of a cube with edges of length 7cm. It is currently

located on an edge x cm from one of its ends. While traveling on the surface of the cube,

it has to reach the grain located on the opposite edge (also at a distance xcm from one

of its ends) as shown below.

(i) What is the length of the shortest route to the grain if x = 2cm? How many routes of

this length are there?

(ii) Find an x for which there are four distinct shortest length routes to the grain.

Scope and Effort

Total expected

1
by sshhpp

it would be good if u attached the diagram. there would then be no ambiguity

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