First one:
The circumference of the whole circle is (2π x the radius),
and 60° is (60/360) = 1/6 of the whole circumference.
Second one:
The area of the whole circle is (π x the radius²), and
the 40° sector is (40/360) = 1/9 of the whole area.
I hope this is enough help.
Answer:
2ft^3
Step-by-step explanation:
Volume= L× W× H


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Answer:
First & Third options
Step-by-step explanation:

Answer:
volume is 17157.28 :)
Step-by-step explanation: