1

Problem

Find the perimeter of the square whose side is 10 metres.

2

Step

The side(s) of a square given in the question is

10

3

Formula

Perimeter of a square is \$4 \times "side"\$.

4

Step

Substitute the s value is

\$4 \times 10\$

5

Step

After multiplication the side of square is

40

6

Solution

Then the answer is 40 mtrs.

7

Sumup

Please summarize steps

Choices

8

Choice-A

This is not correct because it doesn’t match the correct calculation for the perimeter of a square

Wrong 14 mtrs

9

Choice-B

This is the correct answer for the perimeter of the square

Correct 40 mtrs

10

Choice-C

This is not correct because it doesn’t match the correct calculation for the perimeter of a square

Wrong 44 mtrs

11

Choice-D

This is not correct because it doesn’t match the correct calculation for the perimeter of a square

Wrong 46 mtrs

12

Step

Option

B

13

Sumup

Please summarize choices