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# Line and ray

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Deepak Kumar

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### Line and ray

1. 2. LINE & RAY Mr. DEEPAK KUMAR
2. 3. Geometry What did the acorn say when he grew up ? Points Lines Planes Circles Polygons Congruency Similarity
3. 4. Point <ul><li>A position in space, has no size only location </li></ul><ul><li>• D • B • N </li></ul><ul><li>D, B and N represent points </li></ul>
4. 5. Line <ul><li>Continues without end in opposite directions </li></ul><ul><li>• • </li></ul><ul><li> A B </li></ul><ul><li>AB represents a line </li></ul>
5. 6. Plane <ul><li>A flat surface that extends in four directions </li></ul>
6. 7. Segment <ul><li>Part of a line made up of 2 points and all the points of the line between the 2 points </li></ul><ul><li>• • </li></ul><ul><li>D E </li></ul><ul><li>DE represents a segment </li></ul>
7. 8. Ray <ul><li>Part of a line consisting of one endpoint and all the points of the line on one side of the endpoint </li></ul><ul><li>F G </li></ul><ul><li>FG represents a ray </li></ul>• •
8. 9. <ul><li>How could you describe geometrically the position of the moon, earth, and sun during a solar eclipse? </li></ul>