Question

Consider a rectangle of perimeter $24cm$ with sides $a$ and $b$. Then the total number of square grids formed in that rectangle is given by

• A. $a\times b$
• B. $a+b$
• C. $a-b$
• D. $\frac{a}{b}$

Answer 1

The correct option is A $a\times b$

Area of rectangle$=a\times b$

Area of $1$ square grid$=1c{m}^2$

No. of square grids$=\frac{a\times b}{1}=a\times b$