Answer:
26 is the perimeter
Step-by-step explanation:
you add all of the side numbers just like this:
9+5+12= 26 :)
Hope this helped :D
It can be made through straight line or curved lines.
I think it takes her brother 30 minutes to complete his homework.
Because 3/5 of an hour is 36/60
5/6 = 30/36
Hope this helps! :)