A rectangular window at my house measures \(3~\text{m}\) long and \(50~\text{cm}\) high.  What is the area of this window (in \(\text{m}^2)\).

Find the area of the following rectangle (in \(\text{km}^2)\). 

Find the area of the following rectangle (in \(\text{m}^2)\). 

A cube has a side of 2 m. Calculate the following

i) Area of one side
ii) Surface area of the cube
iii) If paint costs $4 per square metre, how much will it cost me to paint the whole cube

Find the area of a rectangle of width \(2.5\) m and length of \(6.4\) m

Find the area of a rectangle of length \(2.4\) m and with width \(75\) cm. Give your answer in square metres correct to 1 decimal place. 

Given the area of a rectangle is \(256 \text{ m}^2\) and its width is \(8\text{ m}\), find its length. 

Find the area of a rectangle of length \(2.4 \mathrm{~m}\) and width \(20 \mathrm{~cm}\).

Find the area of a rectangle of width \(40 \mathrm{~mm}\) and length \(20 \mathrm{~cm}\).