Answer:
Choice A
Step-by-step explanation:
Use the F. O. L. D method while solving
Complementary Angles is a pair of any two acute angles that add up to make 90 degrees
90-80 = 10
the angle is 10 degrees
C is the correct answer
20 and 0 are your answers
Answer:
9, 10, 11, 12, 13
Step-by-step explanation:
(x-2)+(x-1)+x+(x+1)+(x+2) = 55
5x = 55
x = 11