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Triangle Vocab
5th grade
Term | Definition |
---|---|
polygon | flat, closed shape made with only straight lines |
triangle | 3 sided polygon |
isosceles triangle | triangle with 2 or more equal sides |
scalene triangle | triangle with 0 equal sides |
equilateral triangle | triangle with 3 equal sides |
right triangle | triangle with one right angle |
obtuse triangle | triangle with one obtuse angle |
acute triangle | triangle with 3 acute angles |
right angle | angle with 90 degrees |
obtuse angle | angle greater than 90 degrees |
acute angle | angle less than 90 degrees |