Question

A ladder leaning against a house makes an angel of 74° with the ground. The foot of the ladder is 7 feet from the foot

of the house. How long is the ladder?

Answer 1

Explanation:

`(7)/(l) =cos 74\\l=(7)/(cos 74) =7 sec74=7 sec(90-16)=7cos 16 \approx 6.73 ft`

Answer 2

6.5 * tan74 = 22.67 feet