Answer ASAP please and thank you. Please give me the correct answer!! This is very important. I saw this question twice for they both had different answers. A. 108
B. 60
C. 72
D. 120

B

Step-by-step explanation:

18+12=30

30X4=120

120/2=60

You need to add the bottom and the top of the trapezoid, times the height, and divided them by two.

i leave the calculator work to you.

7. diameter 4 miles, circumference 4π miles

8. radius 0.2 miles, circumference 0.4π miles

[this is a bad problem because the actual radius of a car on the track is less than 0.2 miles so the answer is less than 0.4π miles]

9. radius 6 feet, circumference 12π feet

10. diameter 14 cm, circumference 14π cm

11. diameter 4.8 feet, circumference 4.8π feet

6 meters

step-by-step explanation: