Geometry · Topic guide
Coordinate Geometry — Geometry
Use coordinates, distance, midpoint, and slope to describe figures and test relationships between lines.
Practice more with MathNivoAndroid app coming soonExplore the idea here, then continue practicing in the Android app when available.
What you’ll learn
- Write circle equation from center/radius.
- Identify center/radius from equation.
- Graph circles.
- Find area using coordinates.
Explore the skills
Choose an idea below to read a worked example and try one question.
- Write circle equation from center/radiusWrite circle equation from center/radius.
- Identify center/radius from equationIdentify center/radius from equation.
- Graph circlesGraph circles.
- Find area using coordinatesFind area using coordinates.
- Find polygon perimeter using coordinatesFind polygon perimeter using coordinates.
- Prove quadrilateral properties with coordinatesProve quadrilateral properties with coordinates.
- Prove rectangle propertiesProve rectangle properties.
- Prove rhombus propertiesProve rhombus properties.
- Prove square propertiesProve square properties.
- Apply coordinate distance formulaApply coordinate distance formula.
- Write equations of geometric linesWrite equations of geometric lines.
- Find midpointFind midpoint.
- Use slope criterion for parallel linesUse slope criterion for parallel lines.
- Use slope criterion for perpendicular linesUse slope criterion for perpendicular lines.
- Partition a segment in a ratioPartition a segment in a ratio.
- Calculate slopeCalculate slope.