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Stezzi489 Stezzi489
  • 03-08-2014
  • Mathematics
Answered

The base of right prism is rhombus of diagonal is 6 and 8cm and altitude is 12 cm find total surface area

Verified Answer :

MattD
MattD MattD
  • 03-08-2014

e=6
f=8
H=12
h=?
a=?
\((0.5*6)^2+(8*0.5)^2=a^2\)
\(25=a^2\)
a=5
\((0.5*a)^2+(H)^2=h^2\)
\((0.5*5)^2+(12)^2=h^2\)
h=12.25
Area=0.5ef+4ah0.5=0.568+40.5512.25=146.5

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