[Will give medal]

The doorsill of a campus building is h = 9 feet above ground level. To allow wheelchair access, the steps in front of the door are to be replaced by a straight ramp with constant slope 1/11, as shown in the figure. How long must the ramp be? [The answer is not 99 feet.]

How do I do this?

Question

[Will give medal]

The doorsill of a campus building is h = 9 feet above ground level. To allow wheelchair access, the steps in front of the door are to be replaced by a straight ramp with constant slope 1/11, as shown in the figure. How long must the ramp be? [The answer is not 99 feet.]

How do I do this?

anonymous · Answer

Does this diagram make sense?|dw:1408593590376:dw|