Question

using graph find out the perimeter of a square of Side 2 cm​

Answer 1

We know that all the sides of a square are equal.



Perimeter of the square ABCD

                   = AB + BC + CD + AD

                   = 2 cm + 2 cm + 2 cm + 2 cm

                   = (2 × 4) cm

                   = 8 cm

Perimeter of a square is 4 times of s side.

Perimeter of a square = 4 × length of a side

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Answer 2

Plot These points on a graph:

A(0,0)origin

B(2,0)

C(2,2)

D(0,2)

These points form a square of side:

a = 2units

Perimeter = 4a

Using distance formula in graph paper

AB = √(x₁-x₂)+(y₁-y₂)

AB = √(0-2)² + (0-0)²

AB = √4-0

AB = √4

AB = 2 units

∴ Perimeter = 4a

= 4*2

= 8 units.