a regular square pyramid has a height of 6 m.?

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a regular square pyramid has a height of 6 m.?

if the slant height makes an angle of 45 degrees with the base, find the lateral area of the pyramid.

2007-02-03 00:56:50 · 2 answers · asked by jonah 1 in Science & Mathematics ➔ Mathematics

2 answers

Imagine a slice through the pyramid centre to give you a isosceles triangle.

Now divide this through the apex of the pyramid so that you have a right-angled triangle with the given height of 6 metres. As this is 6 metres then the base will also be 6 metres.

Therefore the square on which the pyramid sits is 12m x 12m = 144 square metres.

2007-02-03 01:02:34 · answer #1 · answered by the_lipsiot 7 · 0⤊ 0⤋

No fair having us do your homework for you.

2007-02-03 09:00:43 · answer #2 · answered by Winger 3 · 0⤊ 0⤋