Answer:
72 boys=72:40
45 girls=81:45
90 girls=162:90
40 girls=72:40
etc.
Step-by-step explanation:
think of it as fractions
Answer:
The perimeter of the polygon is 
Step-by-step explanation:
see the attached figure with letters to better understand the problem
we know that
If the polygon circumscribes the circle
then
AB=AH
GH=GF
EF=ED
CB=CD
therefore
the perimeter is equal to

Answer:
D r and s
Step-by-step explanation:
because they are next to each other in a straight line and never cross one another
Im not sure if its right i think 120 ft. (i rather u search it up)