Side?
Area
81 square cm
Answers
Answered by
1
Answer:
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✳Area of square=81 cm^2.
✳But area=side^2.
✳81=s^2.
✳s=9.
\mathbb{NOW, IN TRAINGLE < br / > ABD,}NOW,INTRAINGLE<br/>ABD,
=> By Pythagoras Theorem,
✳ BD^2 = AB^2 +AD^2.
✳ x^2 = 9^2 + 9^2.
✳ x^2 = 81 + 81.
✳ x^2 = 162.
✳ x = √162.
✳ x = 9√2.
Therefore, Side of square = 9 cm.
Diagonal of square = 9√2 cm.
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Answered by
0
Answer:
let the side of square be a
Explanation:
a^2 = area of square
a^2 = 81cm^2
a^2 = 81
a = root of 81
a = 9 .
side = 9 cm
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