Find the length of diagonal of a square with side 8cm
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Answer:
Hope this will help you...!!!!
Step-by-step explanation:
Pythagoras theorem
= (8)2 + (8)2 = 64 + 64
∴ [l(XW)]2 = 128 ∴ l(XW) = √128 …[
Taking square root of both sides] = √64 × 2 = 8 √2 cm
∴ The length of the diagonal of the square is 8 √2 cm.
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