Answer:
Points C,D, E and F are coplanar.
Answer: Look for the inner answer inside u!
Step-by-step explanation:
The -3-4 that should be done first
Answer:
A. 1/2 (20 x 50) + 1/2 (20 x 10), 2 (1/2 x 20 x 50) + 2(1/2 x 20 x 10)
B. 100
Step-by-step explanation:
