The Volume library: a modern, authoritative reference for home and school use-- clear and complete, colorfully illustrated, totally indexed, special atlas sectionThe Southwestern Co., 1988 |
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第1452页
... circle. Definition 68. A chord is a line segment joining any two points on a circle. Definition 69. A diameter is a chord that passes through the center of the circle. Postulate 17. Radii (diameters) of the same or equal circles are ...
... circle. Definition 68. A chord is a line segment joining any two points on a circle. Definition 69. A diameter is a chord that passes through the center of the circle. Postulate 17. Radii (diameters) of the same or equal circles are ...
第1456页
... circle through a point on the circle. Given: Circle O with point P on it To construct: A tangent to circle O at point P 1. Draw radius OP and extend it outside the circle. 2. At P, construct PQ i OP. (Use construction 5.) 3. QP is tangent ...
... circle through a point on the circle. Given: Circle O with point P on it To construct: A tangent to circle O at point P 1. Draw radius OP and extend it outside the circle. 2. At P, construct PQ i OP. (Use construction 5.) 3. QP is tangent ...
第1461页
... circle is the given point. Definition 5. A radius of a circle is any line drawn from the center of the circle to the edge. Definition 6. The circumference of a circle is its boundary. Using the distance formula, where xt and y^ are the ...
... circle is the given point. Definition 5. A radius of a circle is any line drawn from the center of the circle to the edge. Definition 6. The circumference of a circle is its boundary. Using the distance formula, where xt and y^ are the ...
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