Answers

1. Answer:

   19cm

   Step-by-step explanation:

   Perimeter =54 cm

   let the length be x

   the width is 11cm longer than the length so it will be x + 11

   and we have 2 lengths and 2 widths in a rectangle, so the equation is:

   x+x+x+11cm+x+11cm=54cm

   4x+22cm=54cm

   4x=54cm-22cm

   4x=32cm

   divide both sides by 4 to find x

   x=8cm

   previously I said the length is x and the width is x+11, and we’ve found the length which is x, so to find the width:

   x+11cm

   8cm+11cm=19cm

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2. i believe it’s 19cm 🙂 i hope this helps

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