Staircase 81963

How long is the staircase railing with 17 steps if the step is 32 cm deep and 14.5 cm high? The last step does not count.

Correct answer:

l =  5.6211 m

Step-by-step explanation:

n=171=16  x=32 cm m=32:100  m=0.32 m y=14.5 cm m=14.5:100  m=0.145 m  X=n x=16 0.32=25128=5.12 m Y=n y=16 0.145=2558=2.32 m  l2 = X2+Y2  l=X2+Y2=5.122+2.322=5.6211 m



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