Question

Asked Mar 20, 2019

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Please write detail explaination, approach and so on

Step 1

To find the length L for the stair stringer in inches, rounded to the nearest inch.

Consider the stair as a right angled triangle. The given measures will be the base and altitude of the triangle. Where as the unknown L will be the hypotenuse of the triangle. With the help of Pythagoras theorem, the unknown can be found out.

The pythagoras theorem states that: "If *a* and *b* be the base and altitude of a right angled triangle. And *c* be the hypotenuse of the same triangle, then the three sides are connected with an equality: *a ^{2}+b^{2}=c^{2}."*

Step 2

The given base is *b = 8'3" = (12*8) + 3 = 99"*

The given altitude is *a =* 5'6" = (12*5) +...

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