A 12-foot ladder reaches 9 ft 6 in up a wall. How far up would a 20-foot ladder reach when placed at the same angle? Write the answer in feet with inches.

Answer 1

9.5/12 = x/20
x = 15.833 feet = 15 5/6 feet
= 15 feet 10 inches

Answer 2

A 20 foot extension ladder leaning against a building makes a 70.5 degrees angle with the ground. How far up the building does the ladder touch