Use Pythagorean theorem:
9i-j = sqrt (9^2 - 1^2) = sqrt(81-1) = sqrt80
now divide both terms in V by that:
u = 9/sqrt(80)i - 1/sqrt(80)j
see attached picture:
Answer:
312 784
Step-by-step explanation:
if u need this answer, take
The two-dimensional figures would be;
Rectangles and Triangles
Rectangles would be front, back and bottom
Triangles would be the 2 right and left sides.
120138 subtract both and that would be the answer