Question

MCQ
Question 5: If the perimeter of a square is 36 cm, it's area is:

option 1: 6 sq. cm
option 2: 9 sq. cm
option 3: 18 sq. cm
option 4: 81 sq. cm

pls tell me how you did that sum as well.
also good night yall​

Answer 1

Answer:

81

Step-by-step explanation:

Perimeter = 36

formula of perimeter=side×4

side=perimeter/4

36/4=9

area of square=side×side

9×9=81

Thank You

Answer 2

Answer:

option 4:81cm.sq

• perimeter is 36
• perimeter of square is 4×a
• =36÷4
• =9
• area of square is a^2
• a=9
• =9^2
• 81 cm^2