Sealiongaming25
Sealiongaming25 Sealiongaming25
  • 25-02-2018
  • Mathematics
contestada

The perimeter of a sand volleyball court is 52 meters. The area is 153 square meters. What are the dimensions of the volleyball court?

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3RDKAMIKAZE
3RDKAMIKAZE 3RDKAMIKAZE
  • 25-02-2018
LET THE DIMENSIONS BE X AND Y
2(L+B)=52
2(X+Y)=52
X+Y=26
X=26-Y
L*B=153
X*Y=153
26-Y*Y=153
26Y-Y^2=153
Y^2-26Y+153=0
Y^2-17Y-9Y+153
Y(Y-17)-9(Y-17)
(Y-9)(Y-17)
EITHER Y=9 OR Y=17
IF Y =9
X=15 M
IF Y=17
X=9M
SO DIMENSIONS ARE
(15 &9) (9 &17)

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