The ratio of the measure of two supplementary angles is 15:21. What is the measure of the smallest angle?

Question

NEED DONE ASAP!!!! TEST NEXT HOUR!!!

Answer 1

15x +21x = 180

36x = 180

x= 180/36 = 5

smaller angle = 15(5) = 75 degrees

larger angle = 21(5) = 105 degrees

75+105= 180 degrees

75/105 = 15/21 = 15(5)/21(5)