PLEASE HELP!
A ramp is being used to unload the back of a truck. If the ramp is 5 feet long, and the back of the truck is 3 feet tall, how far will the end of the ramp be from the back of the truck?

2 ft
8 ft
5.8 ft
4 ft

Question

PLEASE HELP!
A ramp is being used to unload the back of a truck. If the ramp is 5 feet long, and the back of the truck is 3 feet tall, how far will the end of the ramp be from the back of the truck?

2 ft
8 ft
5.8 ft
4 ft

pfenn1 · Answer

|dw:1337910160010:dw|Use the Pythagorean Theorem to solve.$$x^2 +y^2=z^2$$where x and y are sides of the triangle and z is the hypotenuse.

anonymous · Answer

is it 5.8?

pfenn1 · Answer

No.  How did you get that?

anonymous · Answer

I have no cule lol !is it 4?

pfenn1 · Answer

Yes.  It is 4.

anonymous · Answer

My firend is trying to help me and that is what she got!lol the 4 is my answer!

pfenn1 · Answer

The equation you would have used is $$x^2+3^2=5^2$$Rearrange and solve for x$$x^2=25-9$$$$x^2=16;x=4$$

anonymous · Answer

that makes more sence than what me firend was trying to explain to me!lol