Answer:
the answer is in the picture below
Step-by-step explanation:
It is 9 inches because the formula for the area of a circle is πr2 where the r represents the radius of the circle
The pi can be canceled out =
πr2 and 81 π leaving with
R2 and 81
The r2 represents a square number. So square root 81 and you would result in 9 as your answer
Answer:
x> -1
Step-by-step explanation:
Open circle means > or <
Answer:
20
your welcome
Step-by-step explanation:
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