If angles 1 and 2 in triangle ACD are each 45 degree angles what is the measure of angle 3

Answer 1

Angle 3 in triangle ACD would be:

Angle 3 = 180 - (45 + 45)
Angle 3 = 180 - 90
Angle 3 = 90 degrees

Therefore, the measure of angle 3 in triangle ACD would be 90 degrees.