Multiply the top one by 3 for x, so you can eliminate x and find y
then plug in the y into one of the equations to find x
Answer:
Option 3rd is correct that is 
Step-by-step explanation:
Since, the pennant has three points it is in triangular shape since, have three points
Triangle is enclosed figure.
As we know the sum of interior angles of triangles is 
Therefore, Option 1,2,4 are discarded.
Hence, Option 3rd is correct.
Answer:
3
Step-by-step explanation: