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Geometry 15 Online
OpenStudy (elisaneedshelp):

Please This is really Urgent. Due Tomorrow. I need help completing the definition. A pyramid is a ________ with one ________ face (called the base) and whose other faces (lateral faces) are ________ formed by segments connecting the vertices of the base to a common point (the vertex) not on the base.

OpenStudy (elisaneedshelp):

@jim_thompson5910 can you help me out with this?

OpenStudy (elisaneedshelp):

@Night-Watcher

OpenStudy (anonymous):

what are the answer choices?

OpenStudy (elisaneedshelp):

It just says to fill in the blanks

OpenStudy (anonymous):

oh, well it that case i can't really help. but you can try looking at this to give you an idea http://www.mathsisfun.com/definitions/pyramid.html

jimthompson5910 (jim_thompson5910):

For the first blank, think of what you'd call any 3d figure in geometry

OpenStudy (elisaneedshelp):

prism?

jimthompson5910 (jim_thompson5910):

close

OpenStudy (elisaneedshelp):

polyhedron

jimthompson5910 (jim_thompson5910):

better

jimthompson5910 (jim_thompson5910):

a pyramid is a polyhedron so the base is a _______

OpenStudy (elisaneedshelp):

polygon?

jimthompson5910 (jim_thompson5910):

so the answer for blank #2 is polygonal (the adjective form of polygon)

jimthompson5910 (jim_thompson5910):

the base is a polygon, so it's a polygonal base the lateral faces are always triangles (for any type of polygon that forms the base) so you have triangular lateral faces

jimthompson5910 (jim_thompson5910):

a square pyramid is probably what you're most familiar with (eg: pyramids of egypt) |dw:1400817778313:dw| not a great drawing, but you get the idea the base is a square while the lateral faces are all triangles

OpenStudy (elisaneedshelp):

Yeah i get the idea :)

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