Question

a solid has faces that consist of 1 pentagon, 5 congruent equilateral triangles, and 5 congruent squares. the solid has 11 vertices. how many edges does the solid have?



















































































































































































































































































































































A solid has faces that consist of 1 pentagon, 5 congruent equilateral triangles, and 5 congruent squares. The solid has 11 vertices. How many edges does this solid have?




A.


18 edges




B.


20 edges




C.


22 edges




D.


30 edges

Answer 1

What in the world???

Answer 2

Pretty big question ?

Answer 3

its not posting hang on just a sec

Answer 4

Take your time :)

Answer 5

got it

Answer 6

http://www.mathsisfun.com/geometry/eulers-formula.html

Perhaps this may help

Answer 7

so then do i just add up the ammount of shapes to get the faces?