Supplementary is when it is a straight line that is equal to 180 degrees and complementary is a right angle which is 90 degrees
Remember that moving on the x axis is 1 and on the y axis 2
Answer:
42+30=72
7+5=12
72-12=60
Blank=60
Step-by-step explanation:
3 of 20
1 2 3 <u>4</u> 5 6 7 8 <u>9</u> 10 11 12 13 14 15 <u>16</u> 17 18 19 20