Friday
March 24, 2017

Post a New Question

Posted by on Friday, May 14, 2010 at 4:49pm.

A 25-foot ladder is placed against a vertical wall of a building. The base of the ladder is 7 feet from the base of the wall. If the top of the ladder slips 4 feet, how many feet will the base of the ladder slide?

  • geometry - , Friday, May 14, 2010 at 4:57pm

    a^2 + b^2 = c^2

    a^2 + 7^2 = 25^2
    a^2 + 49 = 625
    a^2 = 625 - 49
    a^2 = 576
    a = 24

    24 - 4 = 20

    20^2 + b^2 = 25^2
    400 + b^2 = 625
    b^2 = 225
    b = 15

    15 - 7 = 8

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question