NickiMinaj
  • NickiMinaj
surface area of a square pyrimid
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
Be more specific?
NickiMinaj
  • NickiMinaj
square pyrimid of 6 6 and 8
amistre64
  • amistre64
base 6, width 6, and height 8?

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anonymous
  • anonymous
Are you looking for volume?
NickiMinaj
  • NickiMinaj
yep im just lost
NickiMinaj
  • NickiMinaj
no surface area
amistre64
  • amistre64
one face is equal to base times height divided by 2. to find the height of the face; you use the fact that 8 and 3 are the legs of another triangle with the hypotenuse of it being your surce height...does that make sense?
anonymous
  • anonymous
SA would be Length x Width
NickiMinaj
  • NickiMinaj
yessssssss but this is on a pyrimid
anonymous
  • anonymous
A square pyramid is just a square with 4 triangles on top of it. So take it step by step. A square has area side^2. A triangle has area (1/2)*base*height. There's 4 triangles, all with the same area. Add the (area of the square) + 4*(area of triangle)
amistre64
  • amistre64
sqrt(64 + 9) = sqrt(73) the surface area of the entire pyramid, not counting the bottom is: 6sqrt(73)/2 times 4
NickiMinaj
  • NickiMinaj
u guys r awsome and smart ... im not thx for u guys help
amistre64
  • amistre64
drop a perpendicular down the center and you get 8 for the height of the pyramid. measure over 3 from there to get a triangle of: 8^2 + 3^2 = r^2 and r is the "height" you use to figure for the face triangles. r = sqrt(64 +9) = sqrt(73) sqrt(73) times 6 for the base divided by 2 gives the area of 1 face. times that by 4 to get all the faces. include the bottom if need be :) 6*6 = 36

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