Hi
Use Euler's formula for this for a 3D figure. F + V = E + 2, where F is the number of faces, V is the number of vertices, E is the number of edges, +2! You have enough info to fill in the formula to find that the number of vertices is 6.
Hoped I Helped
18 - 20 is an equation that'll go into integers as your answer. If you subtract 20 - 18 the answer is 2. It's basically the same equation except you're going into negative numbers. 18 - 20 = -2
Answer:(x+1)(x-9)
Step-by-step explanation:
