14.0351% is the answer i’m pretty sure
Can you please check, if you wrote it down correctly. Cause in this case the answer would be -2= -1. I think that isn’t the solution.
Check the picture below.
the "lateral" area, or "sides" area, is just the area of all the four triangular faces, and it doesn't include the bottom or base of the pyramid.
however, notice, each triangular face is really just a triangle with a base of 24, and a height of 16.
Answer: 
Step-by-step explanation:
If this is asking for the probability of randomly drawing a blue marble then it'll be however many blue marbles (what you're trying to find) out of the total number of marbles
Blue marbles: 7
Total marbles: 20
