A spinner is divided into many sections of equal size. Some sections are red, some are blue, and the remaining are green. The pr
obability of the arrow landing on a section colored red is 12/20. The probability of the arrow landing on a section colored blue is 6 /20. What is the probability of the arrow landing on a green-colored section? A. 2/20
B. 6/20
C. 8/20
D. 18/20
it depends how long the width and the length is. If the length is 5 cm and the width is 4 cm the perimeter will be 18cm. All you have to do is 5 doubled because there 2 sides for the length and 4 doubled because there are 2 sides for the width. I hope I have answered your question. XD