Assuming you're talking about a rectangle: Diagonal squared = length squared + width squared (Pythagoras) so: Length squared = diagonal squared - width squared ie length = sqrt (diagonal squared - width squared)
Width of rectangle: 180/15 = 12 cm
trick question
Area of a rectangle = length * width = 72 feet-squared
17.6 squared inches
4.5 inches.
11.5 cm
width = 375/25 = 15 inches
Width = 161/14 = 11.5 cm
8 ft.
10 in. A+LS
If it is square rectangle Then it's area = 20² = 400 meters. Or It required both of length and width.