parallelograms Flashcards
1
Q
What is a quadrilateral?
A
A shape with four sides
2
Q
How do we name a quadrilateral?
A
By using the four letters of it’s vertices
3
Q
What are the characteristics of a parallelogram?
A
- opposite sides are parallel
- opposite sides are equal in length
4
Q
What are the characteristics of a rectangle?
A
- parallelogram where all four sides form right angles
5
Q
What are the characteristics of a rhombus?
A
- parallelograms where all sides are congruent (equal)
6
Q
What are the characteristics of a square?
A
- parallelogram where all sides are congruent (equal)
- parallelograms where all sides form right angles
7
Q
What are the characteristics of a trapezoid?
A
- exactly two parallel sides
- sides do not have to be equal
8
Q
List the properties of parallelograms?
A
- congruent opposite sides
- congruent opposite angles
- consecutive supplementary angles
- diagonals bisect each other
- each diagonal divides parallelogram into 2 congruent triangles
9
Q
List the theorems to prove a parallelogram?
A
- both pairs of opposite sides are congruent
- both pairs of opposite angles are congruent
- an angle is supplementary to both of it’s consecutive angles
- a quadrilateral has diagonals that bisect each other
- a quadrilateral has one pair of sides that is both congruent/parallel