Question

These are so annoying

Answer 1

3-9=6 and 6-10=4

Step-by-step explanation

part of b is cut by 3 as u can see above and 9 is at the bottom on which the part is cut, as for the other one 10 is the main line and is cut by 6. so u just have minus the main line aka the long line by a parallel line next to it

Answer 2

a=4

b=6

perimiter=38

Explanation:

you take the side lengths by it and you can subtract and stuff then you add them all up to find the perimeter