Worksheets — Set 12

Geometry · Coordinate geometry

Print and write your answers. Use diagrams to show thinking.

Warm-up

1. Distance between (13, 15) and (17, 19): ___ 2. Slope of line through (14, 16) and (18, 24): ___ 3. Equation of circle center (15, 12), radius 17: ___

_See printable PDF for diagram._

Written practice

1. Distance between (12, 14) and (16, 18): ___ 2. Slope of line through (13, 15) and (17, 23): ___ 3. Equation of circle center (14, 11), radius 16: ___ 4. Are lines with slopes 14 and −1/14 perpendicular? ___ 5. Midpoint of segment with given endpoints: ___ 6. Prove the triangle is isosceles using coordinates. 7. Distance between (15, 17) and (19, 21): ___ 8. Slope of line through (16, 18) and (20, 26): ___

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More written practice

1. Equation of circle center (17, 14), radius 19: ___ 2. Are lines with slopes 17 and −1/17 perpendicular? ___ 3. Distance between (18, 20) and (22, 24): ___ 4. Slope of line through (19, 21) and (23, 29): ___ 5. Equation of circle center (20, 17), radius 22: ___ 6. Are lines with slopes 20 and −1/20 perpendicular? ___

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Patterns and rules

1. Distance between (29, 31) and (33, 35): ___ 2. Slope of line through (30, 32) and (34, 40): ___ 3. Equation of circle center (31, 28), radius 33: ___

_See printable PDF for diagram._

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Parent tip: Plot points and verify distances