Worksheets — Set 13

Geometry · Coordinate geometry

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

Warm-up

1. Distance between (14, 16) and (18, 20): ___ 2. Slope of line through (15, 17) and (19, 25): ___ 3. Equation of circle center (16, 13), radius 18: ___

_See printable PDF for diagram._

Written practice

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: ___ 4. Are lines with slopes 15 and −1/15 perpendicular? ___ 5. Midpoint of segment with given endpoints: ___ 6. Prove the triangle is isosceles using coordinates. 7. Distance between (16, 18) and (20, 22): ___ 8. Slope of line through (17, 19) and (21, 27): ___

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More written practice

1. Equation of circle center (18, 15), radius 20: ___ 2. Are lines with slopes 18 and −1/18 perpendicular? ___ 3. Distance between (19, 21) and (23, 25): ___ 4. Slope of line through (20, 22) and (24, 30): ___ 5. Equation of circle center (21, 18), radius 23: ___ 6. Are lines with slopes 21 and −1/21 perpendicular? ___

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Patterns and rules

1. Distance between (30, 32) and (34, 36): ___ 2. Slope of line through (31, 33) and (35, 41): ___ 3. Equation of circle center (32, 29), radius 34: ___

_See printable PDF for diagram._

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Parent tip: Plot points and verify distances