ED:8cm,DC:10 so the air is HD:18
Answer:
I guess you are trying to find the perimeter of the parking lot.
the fomula is P= 2L+2W.
Step by step:
20yards( 2 ft )+ 30 yards +20 yards + 30 yards=
100 yards 2 ft.
I hope it's help.
k = 12
cancel out the r on both sides
then divide -144 by -12.
you get 12.
By taking square root of a number using calculator
