In the figure below, ABCD is a rectangle and BGDF is a parallelogram. Which is mGDA?
Answer 30 degrees
35 degrees
45 degrees
60 degrees

Question

In the figure below, ABCD is a rectangle and BGDF is a parallelogram. Which is mGDA? 
Answer    30 degrees 
   35 degrees 
   45 degrees 
   60 degrees

anonymous · Answer

where is the figure???

anonymous · Answer

attachment

anonymous · Answer

In the figure, 120 is the measure of angleBGD ???

anonymous · Answer

????
I am talking about the 120 written in the figure you have attached above to this question...

anonymous · Answer

yes

anonymous · Answer

If yes,
then ∟BGD + ∟DGA = 180 DEG       ---- Linear Pair of angles
=>    120   +  ∟DGA = 180 deg
=> ∟DGA = 180 - 120 = 60 deg

consider ▲GDA, which is right angled at A because ABCD is a rectangle

∟DGA + ∟GAD + ∟GDA = 180 deg     angle sum property of a triangle
=> 60 + 90 + ∟GDA = 180 DEG
=> ∟GDA = 180 - 150 = 30 deg

so m∟GDA = 30 deg