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