undercoverlife2853 undercoverlife2853

21-05-2017
Mathematics

contestada

A polyhedron has 6 vertices and 9 edges. How many faces does it have?
a. 3b. 5c. 7d. 92. A polyhedron has 25 faces and 36 edges. How many vertices does it have?
a. 11b. 12c. 13d. 14

Respuesta :

gerishonwambugu gerishonwambugu

21-05-2017

from Euler equation
Vertices - Edges + Faces = 2
1. F = E - V + 2
F = 9 - 6 + 2 = 5
answer is B

2. V = E - F + 2
V = 36 - 25 + 2 = 13
Answer is c

Answer Link

Otras preguntas

are all lines of symmetry also diagonals? explain

Does the stability of protons and neutrons in the nucleus depend on the electrons ?

why does east texas have a higher average rainfall amount compared to west texas

Convert 28/50to a percent

what is 30 less than 4 times a number is equal to 14

The cost of mailing a DVD in an envelope by express mail is equal to the cost of mailing a DVD in a box by priority mail. What is the weight of the DVD with its

Can some one explain this me

when would the committee of elders call upon the receiver for advice

Estimate then find the product of 758×6

How do you find the derivative of y=ln(cos(x))y=ln(cos(x)) ?