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in rectangle ABCD two sides are 6 and 8cm .find the length of the diognals




In rectangle ABCD, AC is the diagonal.
Consider the right triangle ABC
AB = 8cm, BC = 6cm  AC = ?
Using the Pythagorus Theorem
AC2 = AB2 + BC2
AC2 = 82+62
       = 64 + 36
       = 100
AC = 10 cm
Diagonal = 10 cm


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