Step-by-step explanation:
Remember that 6/6 = 1, so we can use that knowledge to our advantage.
1/2 + 1/2 is one of them, because 1/2 + 1/2 = 2/2 = 1.
1/4 + 1/4 + 1/4 + 1/4 is one of them, because they equal 4/4 = 1.
1/3 + 1/3 + 1/3 is one of them, because they equal 3/3 = 1.
Answer:
81 pi
Step-by-step explanation:
formula for area of a circle-pi times radius squared
18/2=9
9 squared 81
answer-81 pi
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1520 I believe im not 100% sure if I need to change it into inches hope I helped tho
