3) Find the diagonal of a square whose side is 16 cm.
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Answer:
Step-by-step explanation:
Side = 16cm
As the diagonal divides the square into 2 right angled ∆les
By Pythagorean Theorem
Hyp² = Side² + side²
Hyp² = 2 × side²
Hyp² = 2 × 16²
Hyp² = 2 × 256
Hyp² = 512
Hyp = √512
Hyp = 16√2
Diagonal od square is 16√2 cm.
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