Answer:
b. 189 square feet
18 X 12 = 216 square feet
4.5 X 3 = 13.5
13.5 X 2 = 27
216 - 27 = 189 square feet
-20.40 divided by 4 equals 5.1
Circumference = r * 2 * pi
Circumference of track 1 is 376.8
Answer:
1 and 1/4
Step-by-step explanation:
add 3/4 and 1/2, divide 1/2 into 2/4 and when you add 2/4 to 3/4 you have an extra quarter. therefor you have 4/4 and 1/4 which is 1 and 1/4.
hope this helps <3