+0  
 
0
237
5
avatar

If E=11, F=7,V=?

Guest Jul 10, 2015

Best Answer 

 #2
avatar+17655 
+10

One of Euler's formulas:  v - e + f  =  2

                                    v - 11 + 7  =  2

                                    v - 4  =  2

                                    v  =  6

geno3141  Jul 11, 2015
Sort: 

5+0 Answers

 #1
avatar
0

i am the writer of this question can i get some help

Guest Jul 10, 2015
 #2
avatar+17655 
+10
Best Answer

One of Euler's formulas:  v - e + f  =  2

                                    v - 11 + 7  =  2

                                    v - 4  =  2

                                    v  =  6

geno3141  Jul 11, 2015
 #3
avatar+91045 
+5

What does this formula mean?

Melody  Jul 11, 2015
 #4
avatar+26329 
+5

This is a formula due to Euler:  v = vertices, f = faces, e = edges.

 

Imagine a cube, for example. It has 8 vertices, 6 faces and 12 edges, so v - e + f is 8 - 12 + 6 = 2

 

A tetrahedron: v = 4, f = 4, e = 6:   v - e + f:  4 - 6 + 4 = 2

Alan  Jul 11, 2015
 #5
avatar+91045 
0

Thanks Alan.   

 

I don't remember seeing that formula before.    

Melody  Jul 11, 2015

5 Online Users

avatar
avatar
We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details