Answer:
Step-by-step explanation:
1) cos(θ)=-0.5;
theta=±2π/3+2πn, where n∈Z;
2) if θ∈[0;360], then
The direction vectors for the three sides are given by the differences in the vertices, not the vertices themselves. So consider the vectors
P−Q,P−R,Q−RP−Q,P−R,Q−Rand see whether any of these are orthogonal.
Well sure, go w that and see what you get
Answer: ABC is bisected by ray BD.
BC = One-halfAC
2mDBC = mABC
Step-by-step explanation:just took the test :)
Answer:
by alternating the density of the air and the vehical's speed.
Step-by-step explanation:
