Question

If two complementary angles are (3x + 10) and (7x - 20) then the angles are
A 60°, 30°
B /409, 50° C 80°, 1000 D 90°, 90°
-​

Answer 1

Answer:

Answer is (B) 40°,50°

Step-by-step explanation:

Sum of complementary angle is always 90° so add (3x +10) and (7x - 20) and you get value of X= 10 put value of x=10 in the equation you get your answer