Geometry
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
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5
Check
Across:
1.
The lines which intersect at right angles
3.
Three or more points lying on the same line
5.
Angles which have a common vertex and a common arm, whose interiors do not overlap
Down:
2.
Two lines which have a common point
4.
Line that starts from a point and extends without any end in a particular direction
OK