Which statement is true for all regular pyramids?

A) the length of the altitude is equal to the length of the slant height***
B) all lateral faces are congruent isosceles triangles
C) the base and the faces are similar polygons
D) all edges are equal in lenght

5 answers

No, slant height is hypotenuse of triangle where altitude is one leg and half the base is the other.

Nope.

http://www.mathsisfun.com/geometry/pyramids.html

is it B

Yes. B.

I guess b