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©1998 ThinkQuest |
oblique cylinder: |
A cylinder that is not a right cylinder. |
oblique prism: |
A prism that is not a right prism. |
obtuse angle: |
An angle with a measure greater than 90. |
obtuse triangle: |
A triangle with one obtuse angle. |
opposite rays: |
If point 0 is between points A and B on AB, then CIA and 'OB are called opposite rays. |
opposite sides of a quadrilateral: |
The non- adjacent sides of a quadrilateral. |
Note: The terms in this collection may not
be entirely accurate.
They are for reference only.