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The diagonal of a square is 20 cm what is the length (in cm) of its side? |
13\(\sqrt {2}\) cm 8\(\sqrt {2}\) cm 10\(\sqrt {2}\) cm 5\(\sqrt {2}\) cm |
10\(\sqrt {2}\) cm |
Diagonal of a square = \(\sqrt {2}\)a = 20 cm ⇒ a = 10\(\sqrt {2}\) cm |
