Question

A rectangular chalkboard is 1.7m long and 0.9 m wide What is the area of the chalkboard

Answer 1

$\begin{gathered} The\text{ area of a rectangle is given by:} \\ A=\text{length}\times breadth \end{gathered}$$\begin{gathered} \text{Thus, for the rectangular chalkboard,} \\ A=1.7\times0.9 \\ A=1.53m^2 \end{gathered}$

Hence, the area of the chalkboard is 1.53 square metre.