1

Problem

What is the perimeter of a square if the side length is 40 cm?

2

Step

Given a square, the length of each of its sides (s)is

40 cm

3

Formula

Perimeter of a square is p = 4s.

4

Step

Substitute the values by using formula is

\$p = 4 \times 40\$

5

Step

After multiplication

p =160

6

Solution

The perimeter of a square is 160cm.

7

Sumup

Please summarize steps

Choices

8

Choice-A

The provided choice is inaccurate; 100 is an invalid response

Wrong 100 cm

9

Choice-B

The provided choice is inaccurate; 120 is an invalid response

Wrong 120 cm

10

Choice-C

The provided choice is inaccurate; 180 is an invalid response

Wrong 180 cm

11

Choice-D

This option is correct because the answer aligns with it, confirming that 160 is the accurate choice

Correct 160 cm

12

Answer

Option

D

13

Sumup

Please summarize choices