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Given: ∠1 and ∠2 are complementary angles.
Prove: ∠3 and ∠4 are complementary angles.

Given 1 and 2 are complementary anglesProve 3 and 4 are complementary angles class=

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Answer:

If I had to pick between these, it would be definition of complementary angles.

Hope this helps!

Answer:

Two angles are called complementary when their measures add to 90 degrees. ∠1 is 60 degrees ∠2 is 30 degrees so if you add it up, the answer is  90 degrees.

∠4 + ∠3 = answer has to be 90 degrees to call it a complementary angle

30 degrees + 60 degrees = 90 degrees