A rectangle with a diagonal of length x is twice as long as it is wide. What is the area of the rectangle?
Answer Choices
A. \dfrac{1}{4} x^{2}
B. \dfrac{2}{5} x^{2}
C. \dfrac{1}{2} x^{2}
D. x^{2}
E. \dfrac{3}{2} x^{2}
A rectangle with a diagonal of length x is twice as long as it is wide. What is the area of the rectangle?
Answer Choices
A. \dfrac{1}{4} x^{2}
B. \dfrac{2}{5} x^{2}
C. \dfrac{1}{2} x^{2}
D. x^{2}
E. \dfrac{3}{2} x^{2}