Question

Two ladders are leaning against a wall at the same angle, as shown. How long is the short ladder?

Answer choices:
28 ft.
175 ft.
25 ft.
20 ft.

Answer 1

I think short ladder is 28ft.....

Answer 2

Explanation?

Answer 3

The proportion would be
50/70 = 20/x
x = 1,400 / 50
x = 28 feet

Answer 4

Thank you! @wolf1728

Answer 5

u r welcome

Answer 6

First you have to understand that the 2 triangles are similar. They're kind of devious on that, but if you notice the base angle on each triangle has a mark on it, meaning they're equal...and both triangles have a 90 degree angle...therefore they are similar by Angle-Angle.