Answer:
a)
There are 6 planes - 5 faces of the pyramid and one base, which overlaps with the plane X.
b)
<u>Collinear points are the points on the same line:</u>
c)
The intersection of planes X and HGD is the line section HG.
Answer:21
Step-by-step explanation:21
Just substitute x = 2 and y = 5 into the equation wherever you see x and y.
2 + (12 - 5x) · 2y
2 + (12 - 5(2)) · 2(5)
2 + (2) · 10
4 · 10
40, is the answer which should be the first box.
Each side of the cage is 2x+4 and there are 4 sides.
This means 4(2x+4) which is equal to 8x+16, the answer is <u>B</u>