Answer: 
Step-by-step explanation:
Given


is given by replacing the
by
from the 

Now,
is


<u>Ratio of two angles are 6:13.</u>
So, let the one angle be
and another be 
As we know that,
Sum of all interior angles of a quadrilateral = 
So let's sum up the given angles,






Hence, 
So, First angle

Second angle

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Hope it helps you:)
Step-by-step explanation:
you simply have to mark the points in which the x and y coordinates are given take for example "1,4" it took him 4 minutes to read 1 page right? the one is marked as X and the 4 is marked as Y so put a point in which the 1 at X and the 4 at Y meet in the coordinates system. Do so with every coordinates and then draw a line in the direction of all the points
85÷17=5
the average change in field position on each run is 5 yards
19^2 or 361 is the answer to the equation