Answer:
A. 70
Step-by-step explanation:
The given quadrilateral DEFG is a cyclic quadrilateral.
...opposite angles of a cyclic quadrilateral are supplementary.


The sum of angles in a quadrilateral is 360 degrees.




Answer:D
Step-by-step explanation:
Hope this was right.
Answer:
21
Step-by-step explanation
3 Units x 7 Units = 21 Square Units