Supplementary angles are 2 angles that have the sum of 180°.
Since you have 78° you will take that away from 180°
180°-78° = 102°
This equals 102°. Therefore, the supplementary angle of 78° is 102°
Answer:
The supplementary angle of 78° is 102°
Explanation:
supplementary angle, sum = 180°
180 - 78 = 102°
5.7m questions
7.4m answers