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If the 'tread' of each step is a cm, and...

If the 'tread' of each step is a cm, and there are n steps, make a formula for the length (d cm) of AB.

A

`d=(1)/(2)na`

B

`d=na`

C

`d=3na`

D

`d=na^(2)`

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • Figureshows a number of equal steps. If the 'rise' of each step is h cm, are there are n steps, make a formula for the height (H) in centrimeters of the steps.

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