If one diagonal of a rectangle is 10 cm, then the other diagonal is * 6 cm 5 cm 8 cm 10 cm
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Here is your answer 8 cm
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so by examination the unknown side is 8.
area is length times width, so 8 times 6 equals 48 sq cm..
mathematically we have :- 10 x 10 = (6 x 6) + unknown x unknown,
so 100 = 36 + unknown squared
therefore unknown squared = 100 - 36 = 64
square root of 64 is 8.
area is 6 x 8 = 48
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