Seudónimo
Seudónimo
19-04-2018
Mathematics
contestada
Please help! Thank you.
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SASSAS
SASSAS
19-04-2018
Ok so ill work this one out.
LA=PH
so P=2l+2w=(2*17) + (2*5) = 44 cm
LA=44cm*3.2cm= 137.28
then
SA=2(lw+wh+lh)
SA=2(17*5)+(5*3.12)+(12*3.12)
SA=307.28
So ur answer would be C 137cm^2, 307cm^2
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