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If a = b, then by Euclid's axiom 'If equals are added to equals, the wholes are equal', which is correct for adding c?

Class 9Euclid's AxiomsGeometry — Foundations

A $a + c = b + c$
B $a + c = b$
C $a = b + c$
D $a - c = b + c$

Step-by-Step Solution

Adding the equal quantity c to both equals a and b keeps them equal: a + c = b + c.

Answer: A)

a + c = b + c

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