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1. A circle has a center at (3,5). The point (3,8) is on the circle. What is the circumference of the to the nearest tenth of a unit? A. 9.4 units B. 18.8 units C. 28.3 units D. 56.5 units 2. A triangle has a perimeter of exactly 24 units. Which of the following could be the vertices of the triangle? A. (-1 ,3 ), (2,-1), (-1,-1) B. (6,0), (6,7), (0,7) C. (-1,-1), (-6,-13), (-9,-9) D.(-3,-4) (-3,4), (3,4) 3. A circle has an area of approximately 78.5 square units. If the center of the circle is at (2,4). Which of the following points is on the circle? A. (-6,4) B. (2,-1) C.(-4,-4) D. (2,-9) 4. The end point of a diameter of a circle are A (2,1) and B (5,5). Find the area of the circle in terms of pi. A. 25/4 pi square units B. 10 pi square units C 25 pi square units D. 5 pi units


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