gpicariello76 gpicariello76 05-03-2020 Mathematics contestada What is Measure of angle 4 + measure of angle 5 + measure of angle 6? A triangle has angles 1, 2, 3. The exterior angle to angle 1 is 4, to angle 2 is 5, to angle 3 is 6. 180° 270° 300° 360°