(3x+8)(3x+8) is the answer :))
THEY ARE ALWAYS PARALLELOGRAMS
Answer:

Step-by-step explanation:
We know that tan(x) is defined as sin(x)/cos(x):


1/0 is undefined as 0 is in the denominator
Answer:
B
Step-by-step explanation:
1^2+8^2=
I'm not completely sure about what you are asking, but if its what i'm taking from this, tan A = 7/9 is finding the measure of angle A.