One minute later at 8:01pm. One lighthouse will flash 3 times (at 20, 40 and 60 seconds)...the other will flash twice (at 30 and 60 seconds). So they will both flash 60 seconds later, at 8:01
Answer:
20π ft²
Step-by-step explanation:
Calculate the circumference of this circular area: C = 2πr, where r is the radius:
C = 2π(10 ft) = 20π ft²
The cube root of 2744000 is 140
Well you do 228/12 to find your answer and that is 19 and to check you do 12*19=228
39/6= 6.5 then u multiply
6.5 times 4 = 26
which 26 is your answer
