leinad5880 leinad5880
  • 03-04-2018
  • Mathematics
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Cora drew 2 regular triagles. each side of the first triamgle was 9 centimeters long. each side of the second triangle was 21 centimetrs long. in centimeters what was the difference between the perimeters of the two triangles

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Аноним Аноним
  • 03-04-2018
First triangle 9x3=27cm
Second triangle 21x3=63cm

Difference = 63-27=36cm

Hope this helps.
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