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Sagot :

Answer:

width = 20 cm

Step-by-step explanation:

Area of a rectangle formula:               Area of a triangle formula :

  A = LW                                                A = 1/2(b)(h)

  A = 22(w)                                            A = 1/2(10)(11)                          

  A = 22w  sq. cm                                 A = 5(11); A =55 sq.cm

 

The area of the rectangle is 8 times that of the area f the triangle

                                 22w =  8 (55)

                                   22w = 440

                                      w  = 20

   

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