Worksheets — Set 19
Geometry · Coordinate geometry
Print and write your answers. Use diagrams to show thinking.
Warm-up
1. Distance between (20, 22) and (24, 26): ___ 2. Slope of line through (21, 23) and (25, 31): ___ 3. Equation of circle center (22, 19), radius 24: ___
_See printable PDF for diagram._
Written practice
1. Distance between (19, 21) and (23, 25): ___ 2. Slope of line through (20, 22) and (24, 30): ___ 3. Equation of circle center (21, 18), radius 23: ___ 4. Are lines with slopes 21 and −1/21 perpendicular? ___ 5. Midpoint of segment with given endpoints: ___ 6. Prove the triangle is isosceles using coordinates. 7. Distance between (22, 24) and (26, 28): ___ 8. Slope of line through (23, 25) and (27, 33): ___
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More written practice
1. Equation of circle center (24, 21), radius 26: ___ 2. Are lines with slopes 24 and −1/24 perpendicular? ___ 3. Distance between (25, 27) and (29, 31): ___ 4. Slope of line through (26, 28) and (30, 36): ___ 5. Equation of circle center (27, 24), radius 29: ___ 6. Are lines with slopes 27 and −1/27 perpendicular? ___
___________________________ ___________________________ ___________________________ ___________________________ ___________________________
Patterns and rules
1. Distance between (36, 38) and (40, 42): ___ 2. Slope of line through (37, 39) and (41, 47): ___ 3. Equation of circle center (38, 35), radius 40: ___
_See printable PDF for diagram._
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Stretch
1. Distance between (44, 46) and (48, 50): ___ 2. Slope of line through (45, 47) and (49, 55): ___
___________________________ ___________________________ ___________________________ ___________________________
Parent tip: Plot points and verify distances