Question 2
A ladder is placed against a wall. It makes an angle of 80' with the floor. Its base is 4 feet from the wall.
How far up the wall does it reach?
Draw a diagram and look for the right triangle. Which sides of the triangle are we using? The distance of the
base of the ladder from the wall is the
side and the distance up the wall is the
side.
Which ratio uses those? Tangent.
tan45 - opposite
Set up a ratio where
e of those will be c and the other will be 4. Solve for 2.
The ladder reaches
_ft up the wall. Round to the nearest hundredth.
Blank 1: opposite
Blank 2:
Blank 3: