A ladder is resting against a wall. The ladder and the ground make and angle of 45° and the ladder is 7 ft from the wall. How long is the ladder

asked Jul 15, 2017 51.0k views

0 votes

7.7k points

Please log in or register to add a comment.

4 votes

The ladder is about 12 ft. long.

Greg Ellis answered Jul 16, 2017

8.2k points

4 votes

let's assume the ladder's long as x
sin 45 = 7/x
1/2^0.5 = 7/x
x = 7*1.414
x = 9.9 m
so long of the ladder is 9.9 m

IMathieuB answered Jul 19, 2017

7.1k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.5m questions

11.2m answers