Answer:
help with what tho?
Step-by-step explanation:
wave length = 30/6 = 5m
wave travels 30m in one second.
wave completes 6 cycles in one second.
7/6 is your slope,,,,,
when a=4 and b=3,
3.14((4 x 2)+ (4 x 3)) = 3.14(8+12) = 3.14 x 20 = 62.8