Which of the following statements must be true about a parallelogram?
How many altitudes are there in a parallelogram?
In the figure shown, , , and . Determine and .
Which of the following are a base and its corresponding altitude in the given parallelogram?
In the figure below, given that is a parallelogram, find .
is a parallelogram such that , , and . Determine the coordinates of vertex .
Which of the following statements is not true?
Is the following statement true or false? In a parallelogram, there is a pair of opposite sides that do not have to be parallel.
Find the lengths of and .
In the figure, and are parallelograms. Find .
In parallelogram , suppose and . How are the lengths and related?
Given that is a parallelogram, find the area of triangle .
In parallelogram , suppose . What is ?
Determine whether this statement is true or false: All parallelograms are regular polygons.
In the following figure is a parallelogram. What is the measure of ?
Is the following statement true or false? In a parallelogram, opposite sides are parallel and equal in length.
is a parallelogram, where the coordinates of the points , , and are , , and , respectively. Find the coordinates of the vertex .
Given that is a parallelogram, find .
Which of the following statements correctly describes a property of the given shape?
What is the sum of the sizes of any two consecutive angles in a parallelogram?