28 + vector b = -12
vector b = -40
vector b has magnitude 40 units in the negative y direction.
If you're finding diameter or radius based on circumference, use the formula C = πd. You would divide the circumference by pi to get the diameter, then divide the diameter by 2 to get the radius.
If you're finding diameter or radius based on area, use the formula A = πr^2. You would divide the area by pi, then find the square root of that value which is the radius. Just multiply the radius by 2 to find diameter.
Answer:
79%
Step-by-step explanation:
Answer: I think its A and C
Step-by-step explanation:
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