andresplaysmc andresplaysmc
  • 21-11-2017
  • Mathematics
contestada

Problem A rectangle has a width of 10 centimeters. The rectangle's length is 4 times its width. What is the perimeter of the rectangle?

Respuesta :

altavistard
altavistard altavistard
  • 21-11-2017
Let W = 10 cm and L = 4W = 40 cm

Then P = 2L + 2W = 2(4W) + 2(W) = 10W = 100 cm

Check:  Does 2(10 cm) + 2(40 cm) = 100 cm?  YES
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