A^2+b^2= c^2
16^2+ 28^2= c^2
square root of 256+784 = square root of 1,040
32.25=32.25
C= 32.25
Answer:
1. 
2. 13.5 + 
3. 
6. 
These four options are rational;
Step-by-step explanation:
1. equals to 10 * 10 = 100 which is rational
2. 13.5 + equals 13.5 + 9 = 22.5
3. -- 3+27 = 30
6.
Option 4 and 5 are irrational because they include 
and 
which are not a perfect square and their answers will be non recurring and non terminating decimal fraction.
I would say origin, but it's a hard choice.
In order to help explain how you came to your answer. It also helps when marking or reviewing because it's easier to find any mistakes
