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If they are the dimensions of a rectangle then the perimeter is: 2*(26+16) = 84
To find the width of the rectangle, we need to subtract twice the length from the perimeter. Given that the length is 25 centimeters and the perimeter is 84 centimeters, twice the length would be 50 centimeters. Subtracting 50 from 84 gives us a width of 34 centimeters for the rectangle.
Well, isn't that just a happy little rectangle! To find the perimeter, you simply add up all the sides. So for this rectangle with sides of 24cm and 18cm, you would add 24 + 24 + 18 + 18 to get a perimeter of 84cm. Just imagine that perimeter as a lovely border framing your beautiful rectangle painting!
the formula for a perimeter of a rectangle is P= 2x(l+w) P=2(50+84) P=2(134) P=268
If you're asking about a square with side length 21, the perimeter is 4 x 21 = 84 and the area is 212 = 441.