We're learning how to write proofs currently, and I've come accross a problem that has me stumped:

1. Explain how the Reflexive Property of Congruence and the Supplement Theorem can be used to prove that two angles supplementary to the same angle are congruent.

HELP ME BAUT! YOU'RE MY ONLY HOPE!

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here we go, the world is spinning
when it stops, it's just beginning

sun comes up, we laugh and we cry
sun goes down, and then we all die

Touched by his noodly appendage