Asked by Mary

Find the value of "a" if you knew the perimeter was 47 meters long. Here is the experssion 7a-2
49-2 my answer


Answered by Reiny
The perimeter of what?
Answered by Mary
Triangle
Answered by Reiny
Doesn't help. Is the triangle equilateral and 7a-2 is the length of each side?

If so, then
3(7a-2) = 47
21a - 6 = 47
21a = 53
a = 53/21 metres
Answered by Queen
A rectangular hall is 47 meters long and 25 meters wide what is the perimeter?
Answered by Logan
a is nothing
Answered by Aj
144
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