How can I solve this ?
2 answers:
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To have a volume, a shape must be 3D, so a circle would probably be a sphere, whose volume is found by 
.
Or if you are only looking at a 2D circle, you probably want its area (
Or if you are only looking at a 2D circle, you probably want its area (
Answer:
v = 13
b = 23
Step-by-step explanation:
To solve this system of equations, we can negate one equation and add it to other to cancel out one variable.
Looking at v and b, the coefficients are 6, 4 and 13, 9, respectively.
It would be easier to use the LCM of 6 and 4