the area of a square is 81 cm find the perimeter of the square
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Answered by
6
Answer:
36cm²
Step-by-step explanation:
Area of square = a² = 81
So, a = √81 = 9cm
Perimeter of square = 4a = 4 × 9 = 36 cm²
Answered by
8
Given area of square= 81cm
area of square = side×side(s²)
81cm = s²
√81= s
9cm = side
Perimeter of square= 4×side
= 4×9
= 36cm
SO THE PERIMETER OF THE SQUARE IS 36cm
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