anonymous
  • anonymous
The pentagonal pyramids are similar h/H=4/7 Volume of large pyramid = ? Volume of small pyramid = 320 cm3
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
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anonymous
  • anonymous
use ratio and cross mutip 4/7= 320/H 4H=(7*320) 4H=2,240 H = 560 Volume of large pyramid =560 If I deserve medal then give me one.

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anonymous
  • anonymous
this one very hard,
anonymous
  • anonymous
i know that is hard to but if u couldn't do it then i ask my friend tomorrow
anonymous
  • anonymous
I will try I get back to you later, I have help the boy geomertry home work now
anonymous
  • anonymous
I will try the best OK
anonymous
  • anonymous
ok
anonymous
  • anonymous
wait what the ratio for this??
anonymous
  • anonymous
the only i can do it write eqution ,can't answer number I can find EF = (DC+AB)/2 EF = (20+36)/2=28 28 = EX+XY+YF XY = 28-(EX+YF) If teacher give you a number you can plug in and solve I can go any more father
anonymous
  • anonymous
oh ok
anonymous
  • anonymous
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