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britbrat4601

  • 3 years ago

Find the volume of a square pyramid with base edges of 48 cm and a slant height of 26 cm. A. 11,520 cm3 B. 23,040 cm3 C. 7,680 cm3 D. 768 cm3

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  1. britbrat4601
    • 3 years ago
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    1/3(48)^2(26)=416.......?

  2. Phydeaux
    • 3 years ago
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    V=1/3(l^2)(h)

  3. britbrat4601
    • 3 years ago
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    @Phydeaux would u happen to know this , i have the form but dnt know y its not comming out right

  4. Phydeaux
    • 3 years ago
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    l=48 h=26

  5. Phydeaux
    • 3 years ago
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    Sooo V= ((48^2)(26))/3

  6. Phydeaux
    • 3 years ago
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    Hmm. I get 19,968. Give me a sec.

  7. britbrat4601
    • 3 years ago
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    wut does pl mean again

  8. Phydeaux
    • 3 years ago
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    found my mistake.... I was using slant height rather than actual height. One sec.

  9. Phydeaux
    • 3 years ago
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    I got C. The height is 10, so ((48^2)(10))/3=V

  10. britbrat4601
    • 3 years ago
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    thank u ya i was using 26

  11. Phydeaux
    • 3 years ago
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    You have to use pythagorean theorem to calculate the height rather than slant height, and use regular height. You're welcome. :]

  12. Sujay
    • 3 years ago
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    |dw:1354756959126:dw| sorry I meant the height to be 10 in my drawing, but here it is!!!

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