Math, asked by abcdfreefire76, 2 months ago

A square sheet of card board has a perimeter of 80 cms . what is the length of its side ? Also find the area of the square sheet ?​

Answers

Answered by FIREBIRD
81

Answer:

Length of side is 20 cm and Area of the square is 400 cm²

Step-by-step explanation:

We Have :-

Perimeter of Square = 80 cm

To Find :-

Side of square

Area of Square

Formula Used :-

Perimeter of Square = 4 × side

Area of Square = Side × Side

Solution :-

Perimeter of Square = 4 × side  \\  \\ 80  =  4 × side \\  \\ side =  \dfrac{80}{4}  \\  \\ side  = 20 \: cm \\  \\ area \: of \: square  = side  \times side \\  \\ area = 20 \times 20 \\  \\ area = 400 \:  {cm}^{2}

Length of side is 20 cm and Area of the square is 400 cm²

Answered by dayayadav9136
25

Answer:

The length of side square cardboard = 20cm

The area of square cardboard = 400cm square

Step-by-step explanation:

The perimeter of square carboard  sheet =80cm

The length of its side = The perimeter of square cardboard divided by 4

                                   = 80/4

                                    =20cm

The length of side of square is 20cm

Formula area of square = side *side

The area of square cardboard =20*20

                                                 = 400cm square

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