Answer:
use the formula of centroid that is
= x1+x2+x3/3
Answer:
it is so unclear to say . If any more information is given, then only it can be answered. I don't think 196 is so special to be classified.
Answer:

Step-by-step explanation:
x 6 = 
well, we know the "sum" of both angles is 90°, notice the rectangle in the corner, so we can say that the angles are simply complementary angles, thus
