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Someone help please
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Oct 6, 2018
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Someone help please
Mathematics
middle-school
Cosmore
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305-35=270 (SA of 3 triangular faces)
270/3=90 (area of one face)
A=.5BH
90=.5(9)H
90=4.5H
H=20 in
Axelarge
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Oct 10, 2018
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Axelarge
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