Posted by Mary on .
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?