Find the volume of the square pyramid shown. Round to the nearest tenth if necessary. (Pic in comments)
Stacey Warren - Expert brainly.com
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Just curious, why is it divided by 3?
1/3Bh is the formula and I did it and got 55 but it was wrong
B is short for the area of the base.
in this case the area of a square with sides = 11
bh isnt base*height?
Oh there is something in my book about b being area of the base in a problem
in the formula for the volume of a pyramid
1/3 Area of base times height
the area of the base is sometimes abbreviated to B
this is confusing. it does not mean the length of a side. It is just a
"reminder" (which means you have to memorize this) B is AREA of the the base
So instead of B being 11, it would be 11*11?
After doing that, the volume should be 605
yes, 15/3 * 11*11 = 5*121= 605
putting in the units
605 cm^3 or 605 cc
Thanks again! I'll make another question lol
**Just curious, why is it divided by 3?***
I am sure we can derive it with calculus, and maybe just geometrically
But I remember Archimedes found the volume of a cone was 1/3 the volume of the enclosing cylinder, and he was so proud of finding that, he had it engraved on his tombstone.