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At the right is a parallelogram ABCD.Consider each given information and answer the questions that follows.
1. a.If m∠d = 60°, find the m∠B._______
b.What property did you apply to determine the measurement of ∠B?_______________________________
2.a.If m∠A = 115°, find m∠D.__________
b.What property did you apply to determine the measure of ∠D?_________________________________
3.a.If ĀD = 9 cm,how long is BC?_______
b.What property did you apply to determine the measure of BC?_________________________________
4.If DĒ = 7 cm and ĀĒ = 6 cm, what is the length of DB =______and ĀC=_______?
5.Given: m∠ADC = 54° and m∠DCA =30°
a.What is the m∠DAC?________
b.What is the m∠ACB?________
c.What is the m∠BAC?________
d.What is the m∠ABC?________
e.What property did you apply to determine the measure of the angles?
