Question

if the area of a square is 400 CM square then find its perimeter​

Answer 1

Answer:

80cm

Step-by-step explanation:

area of square = 400 cm

side of square = 20cm

then, perimeter of square = 4a = 4×20= 80 cm

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Answer 2

Answer:

very easy

Step-by-step explanation:

step 1 the formula of a perimeter of spuare is 4 multiple by side

step 2 4multiple by 400 ok then you get the answer