You question implies simple subtraction is needed:
28-8=20
Answer:
try to find their HCF or lcm I got the same type of question
If you are trying to find the bigger angle, then the answer is A) Supplementary. But if you’re trying to find the small angle the answer is B) Complementary. C and D are both wrong.
I really don’t know the answer but good luck bro
Is 9 an answer?
If it is I think 9