Question

3. In the given figure, if angle 2 = angle 4 and angle 4 - angle1. Prove
that angle1-angle2. State the axiom used here.​

Answer 1

Answer:

axion used here is opposite angles are equal

Answer 2

In this figure opposite angles are equal

Here are the seven axioms given by Euclid for geometry.

Things which are equal to the same thing are equal to one another.

If equals are added to equals, the wholes are equal.

If equals are subtracted from equals, the remainders are equal.

Things which coincide with one another are equal to one another.

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