Answer:
what? I don't understand lol
The formula to solve the area of a circle is 3.14 (pi) times the radius (1/2 of the circumference) so 3.14 x 8 = 25.12 so your answer is 25.1
the answer is 23...........
I attached the document with the answers and work with the formulas. Since the formulas and fractions don't work very well with this site (especially the pi symbol, they should fix that).
:)
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docx
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black ball and red ball
8 out of 12 x 4 out of 11
x 
=
= 0.24 = 24%
Answer: 24%