A 12 foot ladder is leaning against a wall. If the ladder makes a 73o angle with the floor, how high up the wall will the ladder reach?
It is a right triangle with angles 73, 90 and 17. You need to go with sin73.
sin73=h/12
0.9563=h/12
h=0.9563*12
h=11.4756
h=11.48feet
