8.2 Properties of Parallelograms
Use this applet to discover properties of parallelograms!
Move the points and watch which angles remain congruent, which sides remain congruent.
Complete the questions below.
Sides: Which side is always congruent to CA?
Which side is always congruent to CD?
Complete the sentence: Opposite sides of a parallelogram are always __________________
Which angle is always congruent to <A?
Which angle is always congruent to <B?
Complete the sentence: Opposite angles of a parallelogram are always ___________
Give the sum: m<A + m<B = _________
Give the sum: m<B + m<C = _______
Complete the sentence: Consecutive angles of a parallelogram are ________________
AE = _______; CE = _______; Point E is the _________________ of the diagonals.
The diagonals of a parallelogram __________________ each other Hint: the word begins with the letter B