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OJuice
OJuice OJuice
  • 31-05-2016
  • Mathematics
Answered

Please solve question 2.

Please solve question 2. class=

Verified Answer :

caylus
caylus caylus
  • 03-06-2016

Hello,

L=2W-3
and Area= (2W-3)W=77
==>2W²-3W-77=0

==> (W=7) or (W=-22/4 to exclude <0)
If W=7 then  2W-3=14-3=11
Area=711=77

Photgraphy is 7 by 11  (cm)

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