the ladder is the HYPOTENUSE
the wall is OPPOSITE the 40ยบ angle
a ladder of length 3.5m rests against a vertical wall and makes an angle of 40 degrees with the floor. How far up the wall does the ladder reach?
2 answers
sin40 = h/3.5.
h = 3.5*sin40.
h = 3.5*sin40.