Answer:

Step-by-step explanation:
The answer is 82 because 5+7=12 then 3+4=7 plus the 1 = 82
Answer:
1
Step-by-step explanation:
Answer:
Points R, T, and B are both collinear and coplanar
Step-by-step explanation:
From the given figure, we get the points R, T, and B are on the same line , that is on the edge of rectangular pyramid.
So these points are collinear .
Also all these points on a same plane.
Therefore Points R, T, and B are both collinear and coplanar .
Therefore option 3rd option is the correct answer.