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What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy

With number 11 ( show how you got the answer)