the length of the side of the triangle ABC are AB=9cm BC=40cm and AC=41cm show that the triangle ABC is the right angled triangle
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AB = 9 cm
CB = 40 cm
AC = 41 cm
The given triangle will be a right angled triangle if square of its largest side is equal to the sum of the squares on the other two sides.
According to Pythagoras Theorem,
(AC)2 = (BC)2 + (AB)2
(41)2 = (40)2 + (9)2
1681 = 1600 + 81
1681 = 1681
Hence, it is a right-angled triangle ABC.
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