4. If two supplementary angles are in the ratio 13:5, then the angles are (a)509, 130° (b) 40°, 140° (c)70°, 110° (d) None of these
Answers
Answered by
2
Answer:
Supplementary angles = total = 180°
=> Let the numbers of ratio 13:5 be 13x and 5x
=> 13x + 5x = 18x = 180°
=> x = 10°
Therefore the angles are 13x and 5x
=> 130° and 50°
Similar questions