anonymous
  • anonymous
What is the volume of the pyramid in the diagram? http://contentlaunch.ple.platoweb.com/testimagedb/c0/c0b7db11b1396518d70e9b00f1ba1d33 25 cm3 75 cm3 105 cm3 135 cm3 225 cm3
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
i need help with the question please help ill hold my end of the deal
anonymous
  • anonymous
Alright, \[V=\frac{ lwh }{ 3 }\] l and w represent sides of base h represents height
anonymous
  • anonymous
That funky slant height is throwing me off.

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anonymous
  • anonymous
yes i understand the formula but im bad at math
anonymous
  • anonymous
that what is throwing me off
anonymous
  • anonymous
do you know what the nine is. Is it h or l or w
anonymous
  • anonymous
If I ignore the slant height and follow the formula exactly, I get 25
anonymous
  • anonymous
Hang on
anonymous
  • anonymous
let me add everything up and see
anonymous
  • anonymous
Never mind, I still got 25
anonymous
  • anonymous
i add the slant and i got 135
anonymous
  • anonymous
Secondary formula: \[V=\frac{ 1 }{ 3 }Bh\] B represents area of Base h represents height still got 25
anonymous
  • anonymous
What did you use to get 135?
anonymous
  • anonymous
ok im getting three answer. there 135, 75, and 25
anonymous
  • anonymous
5 x 9 x 3
anonymous
  • anonymous
am i doing something wrong
anonymous
  • anonymous
The formula does not suggest 5 x 9 x 3 Both formula that I used resulted in 25
anonymous
  • anonymous
ok how about the 75
anonymous
  • anonymous
5 x 5 x 3 is that in the formula
anonymous
  • anonymous
yes, it is the formula. Now plug in the numbers and solve.
anonymous
  • anonymous
i did and got 75
anonymous
  • anonymous
then you got your answer. I dont know if its right because I dint look at the diagram.
anonymous
  • anonymous
No, the formulas were: \[V=\frac{ lwh }{ 3 }\] \[V=\frac{ (5)(5)(3) }{ (3) }\] \[V=\frac{ 75 }{ 3 }\]\[\frac{ 75 }{ 3 }=25\] Or, \[V=\frac{ 1 }{ 3 }Bh\]\[V=\frac{ 1 }{ 3 }(25)(3)\]\[V=\frac{ 1 }{ 3 }75\]\[75 \times \frac{ 1 }{ 3 }=25\]
anonymous
  • anonymous
ok thanks
anonymous
  • anonymous
if its ok if i tag you in any question i have
anonymous
  • anonymous
its fine. You go ahead and do that.

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