Answer:
6.928 or 6.93
Step-by-step explanation:
\sqrt{8^{2}-4^{2}}
Answer:
honestly math is my worst subject but i think its 2 im really srry i think thats wrong tho
Step-by-step explanation:
Answer:
The number of edges is 
Step-by-step explanation:
we know that
The Euler's formula state that, the number of vertices, minus the number of edges, plus the number of faces, is equal to two
so

In this problem we have

substitute and solve for E


D.) Subtracting 9 from each side.