1= 12.2
8=97.6
and for the last one the answer is 10 :))
Answer:
sHOULD BE 7:2
Step-by-step explanation:
Method 1.
Use the formula of a distance between two points:

We have

substitute

Answer: 10
Method 2
Look at the picture.
Use the Pythagorean theorem:

Answer: 10
86 and 94 :) supplementary angles add up to 180 degrees while complementary add up to 90 degrees