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Class 7 maths · S.11 · Angles and triangles

Can a triangle have these side lengths?

The two shorter sides must add up to more than the longest side. Write yes or no.

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  1. Can a triangle have sides of 25 cm, 8 cm and 12 cm? Write yes or no.

    Answer: no

  2. Can a triangle have sides of 10 cm, 11 cm and 26 cm? Write yes or no.

    Answer: no

  3. Can a triangle have sides of 8 cm, 7 cm and 21 cm? Write yes or no.

    Answer: no

Tip: The two shorter sides must add up to more than the longest side. Write yes or no.

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