Question

One $cm$ is equal to $10mm$. How many squares $mm$ are there in one square $cm$?

• A. $10sq.mm$
• B. $20sq.mm$
• C. $100sq.mm$
• D. $1000sq.mm$

Answer 1

The correct option is C $100sq.mm$

$1cm=10mm$

$\therefore 1cm\times 1cm=1c{m}^2$

$\therefore 1cm\times 1cm=10mm\times 10mm$

$\therefore 1c{m}^2=100m^2$