Question

The perimeter of a square cardboard is 1m. Find its area in cm2




please answer me step - by - step explantation like how to find the length , breadth , etc .​

Answer 1

Answer:

Area=0.063m2

Step-by-step explanation:

let side of square cardboard be a.

we know that,

perimeter of square=4×side

There fore:4×a

=1m

4×a=100cm

a=100/4

a=25cm

Areaof Square=Side×Side

Area=25×25=625cm2.

Answer 2

$\huge\underline{\sf{Solution \implies}}$

$\large\underline{\sf{given:perimeter \: of \: square}}$

____________________

$\large\underline{\sf{to \: find: area_{square}}}$

____________________

$\large\underline{\sf{formula \: used \rightarrow \: {(side)}^{2} }}$

_____________________

$\large\underline{\sf{1m = 100cm}}$

$\large\underline{\sf{ area_{square} = {side}^{2} }}$

$\large\underline{\sf{area_{square} = 100 {cm}^{2} }}$

$\large\underline{\sf{( {side)}^{2} = {100cm}^{2} }}$

$\large\underline{\sf{side = \sqrt{100 {cm}^{2} } }}$

$\large\underline{\sf{side = 10cm}}$

___________________

$\large\underline{\sf{area \: formulas}} \\ \star \large\underline{\sf{square \rightarrow {side}^{2} }} \\ \large\underline{\sf{ \star rectangle \rightarrow length \times breadth}} \\ \large\underline{\sf{ \star scalene \triangle \rightarrow \sqrt{s(s -a )(s - b)( s- c)} }} \\ \large\underline{\sf{ \star \: isosceles \triangle \rightarrow \frac{1}{2} \times base \times height }}$