Math
posted by Mary .
Which of the following formulas could be used to calculate the combined area,x of threw identical circles?
A. X= 3pie r squared
B. X= 6 pie r
C. X= pie r squared/ 3
D. X= 6 r/ pie

Math 
Ms. Sue
Do you mean pi (not pie)?
Do you mean three (not threw)? 
Math 
Mary
Yes, sorry about that.

Math 
Ms. Sue
The formula for the area of a circle is
A = pi * r^2
Which of your choices shows the formula for the areas of three identical circles?
I'll be glad to check your answer. 
Math 
Mary
A= 3pi r squared?

Math 
Ms. Sue
Right! :)

Math 
Anonymous
mrs, smith baked 4 pies.she cut each pie in to 8 equal pieces. if 5 of pie were eaten,what fraction of the pies is left?
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