contestada

The Smiths want to replace the stairway that leads from their porch to their sidewalk with a ramp. The porch is 3 feet off the ground. They decide to start the ramp 12 feet away from the base of the porch to make it convenient to walk up.

Respuesta :

a²+b²=c²

3²+12²=c²

3²=9

12²=144

√153

12.36931688 or 12.4

hope this helps

The required length of the ramp is 12.4.

The height and base length of the ramp is 3 and 12 feet respectively. Slant length of the ramp to determine.

What is a ramp?

The ramp is a sloping path used in place of stairs for walking convenience.

Here,
Using Pythagorean theorem.
Slant length = [tex]\sqrt{3^2+12^2}\\[/tex]
                   = [tex]\sqrt{153}[/tex]
                   = 12.4

Thus, The required length of the ramp is 12.4.

Learn more about ramp here:
https://brainly.com/question/13492520


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