4. B is the answer
5. A is the answer ( y is the same , x are the opposite)
6. C
7. D
Answer:
10°,170°,10°,170°
Step-by-step explanation:
sum of adjacent angles of parallelogram=180
one angle=10°
adjacent angles=180-10=70°
The answer is the first and the third figure,attached
Answer:
Step-by-step explanation:
(5+x)+12