Answer:
A.3
Step-by-step explanation:
the key word is Congruent ^_^
The answer is since the the angle on the inside of the triangle is 90 degrees by supplementary angles and the other angle that is not p is 47 degree, also by supplementary angles. Thus you take 90+47=137 and subtract it from 180 since that is is the total angle sum of a triangle and you get 43 degrees or answer b
Answer:
130
Step-by-step explanation:
Answer:

Step-by-step explanation:
A parallelogram has opposite parallel sides and it is a quadrilateral.