Ok, so if the angle is 120 degrees, its one third of the full cake (which is 360 degrees). So the area of the whole circle (worked out with area = pi * r^2 where r is 30) gives 900*pi, and so one third of that (because her slice is one third) is 300pi.
Answer:
30-100/1000*120
Step-by-step explanation:
Source: Khan Academy
Common ratio = second term / first term = 12 / 8 = 1.5
Answer:
He runs 2/3 mile in 8 mins, he runs one mile in 12 mins