Respuesta :

mhanifa

Answer:

  • 12 ft²

Step-by-step explanation:

Given

  • l = 3w
  • P = 16
  • A = ?

Solution

Use perimeter formula

  • P= 2(l + w) = 2(w + 3w) = 8w

Find width:

  • 8w = 16 ⇒ w = 2 ft

Find length:

  • l = 3*2= 6 ft

Find area:

  • A = lw = 6*2 = 12 ft²

Otras preguntas