Geometry
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16 terms
Terms | Definitions |
|---|---|
 area of rectangle | length x width |
| perimeter of rectangle | (length + width) x 2 |
| area of parallelogram | base x height |
| area of triangle | (base x height) ÷ 2 |
| perimeter of triangle | side 1 + side 2 + side 3 |
| area of circle | 3.14 x radius x radius |
| circumference of circle | 3.14 x diameter (3.14 x 2 x radius) |
| area of a square | side x side |
| perimeter of a square | 4 x side |
| Scalene | A triangle with NO congruent sides |
| Isosceles | A triangle with TWO OR MORE congruent sides |
| Equilateral | A triangle with THREE congruent sides |
| Acute | A triangle with THREE acute angles |
| Obtuse | A triangle with ONE obtuse angle |
| Right | A triangle with ONE right angle |
| Equiangular | A triangle with THREE congruent angles (they are all 60°) |
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