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Mathematics, 22.07.2019 10:00 jeanieb

1. what is the circumference of a circle with a radius of 3? (1 point) 3 6 9 12 15 2. what is the area of a circle with a radius of 3? (1 point) 3 6 9 12 15 3. what is the circumference of a circle with a diameter of 4? (1 point) 4 8 12 16 24 4. what is the area of a circle with a diameter of 4? (1 point) 4 8 12 16 24 5. in the figure above, if a is the center of the circle, what is the value of x? (1 point) 31 37 47 54 59 6. in the figure above, the ratio of the circumference of circle a to the length of arc dbc is 6: 1. what is the value of x?

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