Question

three times the complement of an angle is 40ﾟ more than its supplement the angle is​

Answer 1

Answer:

25°

Step-by-step explanation:

Let the angle be 'a'

(90°- a) x 3 = (180°- a) + 40°

270° - 3a = (180° - a) + 40°

270° - 40° - 3a = 180° - a

230° - 3a = 180° - a

230° - 3a + a = 180°

230° - 2a = 180°

-2a = 180° - 230°

-2a = - 50°

a = - 50°/- 2

a = 25°