tikigirl26
tikigirl26 tikigirl26
  • 28-04-2017
  • Mathematics
contestada

If the length of the base of a rectangle is increased by 20 percent and the length of the altitude is increased by 30 percent, by what percentage is the area increased?

Respuesta :

akaleti47
akaleti47 akaleti47
  • 28-04-2017
l*b becomes (1.2)*(1.3)*l*b=1.56 l*b

so, 56% increase
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