Answer:
Yes you can, as the circumference of a circle can be found by multiplying pi ( π = 3.14 ) by the diameter of the circle, and if you have the radius you simply multiply it by 2 to find the diameter.
Step-by-step explanation:
I'm not sure what you did at first, but here's how I solved it:
7(3+3)-9
7(6)-9
42-9
=33
i can't see your original answer, so i can't tell you specifically what went wrong, but i hope that helps!
Answer:
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Step-by-step explanation:
C is correct all angles will be less than 90 degrees