4. A circular region is the intersection of a circle and its interior. 5. Coplanar points are points on the same line. 6. The union of two collinear rays with a common endpoint is an angle. 7. Two angles are supplementary if the sum of their measures is 90°. 8. If one of the angles of a triangle is acute, then the triangle is obtuse. 9. If a triangle has two congruent sides, then it is a scalene triangle.
4. A circular region is the intersection of a circle and its interior. 5. Coplanar points are points on the same line. 6. The union of two collinear rays with a common endpoint is an angle. 7. Two angles are supplementary if the sum of their measures is 90°. 8. If one of the angles of a triangle is acute, then the triangle is obtuse. 9. If a triangle has two congruent sides, then it is a scalene triangle.
Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter6: Circles
Section6.3: Line And Segment Relationships In The Circle
Problem 38E: The center of a circle of radius 3 inches is at a distance of 20 inches from the center of a circle...
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