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OpenStudy (anonymous):
how many planes of symmetry does a regular triangular pyramid have?
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OpenStudy (anonymous):
3
OpenStudy (anonymous):
In a pyramid, do you just count the number of symmetry lines in the base to know how many?
OpenStudy (anonymous):
looks like 5
OpenStudy (anonymous):
http://lmgtfy.com/?q=how+many+planes+of+symmetry+does+a+regular+triangular+pyramid+have%3F
OpenStudy (anonymous):
In rotational symetry, when you '' revolve it around any axs then it'll give only 3 times symmetry
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OpenStudy (anonymous):
why would it be 5?
OpenStudy (anonymous):
link provided by satellite is showing answer 4 for square pyramidal, but for triangular it should be 3
OpenStudy (anonymous):
ok that's what I was thinking so 3 is correct..right?
OpenStudy (anonymous):
I don't know where the other 2 would come from
OpenStudy (anonymous):
|dw:1330881847695:dw|
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OpenStudy (anonymous):
its 3
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