21-03-2017
Mathematics

contestada

Someone help please

Someone help please class=

Respuesta :

eagerreader eagerreader

22-03-2017

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

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