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

6.5 * tan74 = 22.67 feet

Answer 2

Answer:

Step-by-step explanation:

$\frac{7}{l} =cos 74\\l=\frac{7}{cos 74} =7 sec74=7 sec(90-16)=7cos 16 \approx 6.73 ft$