Find the value of "a" if you knew the perimeter was 47 meters long. Here is the experssion 7a-2
49-2 my answer
6 answers
The perimeter of what?
Triangle
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
If so, then
3(7a-2) = 47
21a - 6 = 47
21a = 53
a = 53/21 metres
A rectangular hall is 47 meters long and 25 meters wide what is the perimeter?
a is nothing
144
2 answers