Question

Verify experimentally that the angle opposite to the longer side is greater than

the angle opposite to the shorter side in any triangle (at least two figures are
necessary)
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Answer 1

If two sides of a triangle are unequal, the angle opposite to the longer side is larger (or greater). You may prove this theorem by taking a point P on BC such that CA = CP.

Explanation:

That's how you can prove which side is bigger