| A | B |
|---|
| Angle | It is formed by two rays with a common endpoint. |
| Perpendicular lines | These are lines that intersect to form right angles. |
| Isosceles triangle | A triangle that has two sides that are the same length. |
| Trapezoid | A quadrilateral that has one pair of parallel sides. |
| Circle | It is a closed plane figure. |
| Line | It is a collection of points along a straight path extending endlessly in both directions. |
| Intersecting lines | Lines that have one point in common. |
| Equilateral triangle | A triangle that has three equal sides. |
| Square | A rectangle with four congruent sides. |
| Line segment | It is a part of a line between two endpoints. |
| Scalene triangle | A traingle in which none of the sides have the same length. |
| Parallel lines | Lines that are in the same plane but do not intersect. |
| Rectangle | A parallelogram with four right angles. |
| Rhombus | A parallelogram that has 4 congruent sides but doesn't have four right angles. |
| Ray | A part of a line that has one endpoint and extends endlessly in one direction. |
| Quadrilaterals | Polygons with four sides and four angles. |
