destiny2226 destiny2226
  • 07-12-2018
  • Mathematics
contestada

The perimeter or a rectangle is 54 centimeters and base length is twice the height what’s the area

Respuesta :

lightcaps298
lightcaps298 lightcaps298
  • 07-12-2018

Answer:

162 cm^2

Step-by-step explanation:

P=2L+2H

L=2H

54=2*2H+2H

54=4H+2H

54=6H

H=54/6

H=9 ANS. FOR THE HEIGHT.

L=2*9=18 ANS. FOR THE LENGTH.

PROOF:

54=2*18=2*9

54=36+18

54=54

AREA=LW

18*9=162 CM^2 IS THE AREA.

Hope this helps, have a good day. c;

Answer Link

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