iamnails iamnails
  • 25-03-2015
  • Mathematics
Answered

a bulletin board is 3 ft high. the area is 15 sq ft. what is the perimeter?



Answer :

hjlucas
hjlucas hjlucas
  • 25-03-2015
First step: Find how wide the bulletin board is
     15 ft² ÷ 3 ft = 5 ft
Step the second: Use the perimeter formula P = 2l + 2w
     P = 2(5) + 2(3)
     P = 16 ft
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