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Unit 7 Math Vocab
Math vocab
| Question | Answer |
|---|---|
| angle | has two sides that share a common endpoint and is measured in degrees |
| degrees | when a circle is divided into 360 equal-sized parts, each part has an angle measure of 1 degree |
| vertex | the common endpoint of two or more line segments that form an angle |
| acute angle | an angle with less than 90 degrees |
| right angle | an angle with 90 degrees |
| obtuse angle | an angle with more that 90 degrees but less than 180 degrees |
| straight angle | an angle with 180 degrees |
| complementary angles | two angles whose sum equals 90 degrees |
| supplementary angles | two angles whose sum equals 180 degrees |
| polygon | a closed figure with three or more sides |
| triangle | a three sided polygon whose interior angles equals 180 degrees |
| scalene triangle | a triangle with NO equal sides and NO equal angles |
| isosceles triangle | a triangle with TWO equal sides and TWO equal angles |
| equilateral triangle | a triangle with THREE equal sides and THREE equal angles |
| acute triangle | a triangle with three acute angles |
| right triangle | a triangle with one right angle |
| obtuse triangle | a triangle with one obutse angle |
| quadrilateral | a closed figure with four sides and four angles |
| parallelograms | quadrilaterals whose opposite sides are parallel and congruent |
| rectangle | a rectangle is a parralelogram that has 4 right angles |
| square | a parallelogram with four equal sides and four equal angles |
| rhombus | parallelogram with 4 equal sides and its opposite angles are congruent |
| trapeziod | a quadrilateral with one pair of parallel des |
| perimeter | the distance around a geometric figure |
| area | the number of square units needed to cover the surface enclosed by a geometric figure |
| composite figure | a polygon made up of two or more geometric shapes |