Question

The area of a rhombus with diagonals lengths as 7.5 cm and 12 cm is ______________.
[1 mark]

Answer 1

Area of a rhombus $=\frac{1}{2}{d}_1{d}_2$
Here, let $d_1$ be 7.5 cm and $d_2$ be 12 cm.
Area of the rhombus $=\frac{1}{2}\times 7.5\text{cm}\times 12\text{cm}$
$=7.5\text{cm}\times 6\text{cm}$
$=45c{m}^2$
[1 mark]