Question

If the perimeter of a rhombus is $4a$ and the lengths of the diagonals are $x$ and $y$, then its area is

• A. $a(x+y)$
• B. $x^2+y^2$
• C. $xy$
• D. $\frac{1}{2}xy$

Answer 1

Answer: (D)

$\frac{1}{2}xy$

Area $=\frac{1}{2}\times$ Product of diagonals $=\frac{1}{2}xy$