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Question

In a right-angled triangle, the length of the largest side is 10cm and that of another side is 8cm. Then the length of the third side is .

A
4 cm
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B
5 cm
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C
6 cm
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D
8 cm
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Solution

The correct option is C 6 cm

We know that if the given triangle is right-angled, then the sides follow Pythagoras theorem.

Let the length of the third side be x cm.

102=82+x2
10064=x2

x=6cm


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