Question

how many planes of symmetry does a regular triangular pyramid have?

Answer 1

3

Answer 2

In a pyramid, do you just count the number of symmetry lines in the base to know how many?

Answer 3

looks like 5

Answer 4

http://lmgtfy.com/?q=how+many+planes+of+symmetry+does+a+regular+triangular+pyramid+have%3F

Answer 5

In rotational symetry, when you '' revolve it around any axs then it'll give only 3 times symmetry

Answer 6

why would it be 5?

Answer 7

link provided by satellite is showing answer 4 for square pyramidal, but for triangular it should be 3

Answer 8

ok that's what I was thinking so 3 is correct..right?

Answer 9

I don't know where the other 2 would come from

Answer 10

its 3