If two sides of a triangle are 4 cm and 5 cm then which of the following cannot be the length of third side?

8 cm

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10 cm

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6 cm

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7 cm

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Solution

The correct option is B
10 cm

The sum of two given sides is 4 cm + 5 cm = 9 cm

Hence, 10 cm cannot be the length of third side as the sum two sides is always greater than third side.

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Similar questions

If two sides of triangle are 5cm and 1.5 cm, the length of its third side cannot be .....

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Please explain..

Two sides of a triangle are of length $5 c m$ and $1.5 c m$ . Which of the following cannot be the length of the third side of the triangle?

In a right-angled triangle, the length of the largest side is 10cm and of another side is 8cm. What will be the length of the remaining side?

6 c m

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