A 9 x 12 rectangle has a diagonal of 15.
Chat with our AI personalities
According to the given length & width, the diagonal must be 15 cm.So,2X - 11 = 152X = 26X = 13
116
Any rectangle that measures 12-in x 13-in has a diagonal ofsqrt(122 + 132) = 17.692 inches (rounded)
The diagonal multiplied by sin(angle) gives one side of the rectangle and the diagonal times cos(theta) gives the other. So the area is (diagonal)2 x cos(theta) x sin(theta).
53.85164807' by means of Pythagoras.