Maths test 2

Some more math test question :



A creeper plant is climbing up and around a cylindrical tree trunk in a helical manner. The tree trunk has a height of 420 inches and a circumference of 32 inches.

If the creeper covers a vertical distance of 60 inches in one complete twist around the tree trunk, what is the total length of the creeper?

a - 476"

b - 458"

c - 490"

d - 410"
 
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