Question

Find the lateral area for the regular pyramid.
the lateral area for the regular pyramid.

the lateral area for the regular pyramid.
http://media01.switchedononline.com/a_matgeo_2010/7/groupi76.gif

Answer 1

can you find the longer side of that shaded right-triangle in the pyramid?

Answer 2

i cant help you i cant help myself

Answer 3

http://www.1728.org/pyth1.png

\(\bf c^2= a^2+b^2\\
\textit{missing side is "b"}\\
b = \sqrt{c^2-a^2}\)

Answer 4

i still don't understand