Warm up with Frosty: What kind of angle pairs are they?∠1 and ∠2∠1 and ∠4∠5 and ∠6∠6 and ∠7If m∠1 = 100o, then m∠2=If m∠3v= 60o, then m∠2=If m∠5 = 40o, then m∠6 =Properties of Angle CongruenceIf m∠4 = 110o, then m∠2 =If ∠3 2245∠2, then ∠2 2245∠3If ∠2 2245∠3 and ∠5 2245∠3, then ∠2 2245 ∠5∠6 2245∠6 ___ Parts of Proof:Completing a proof is sometimes very intuitive and simple. Other times you will need to use ______________ to try different methods. You may also want to think ___________ in logical “if-then” statements. This method of problem solving is used very often in __________ and ___________.If _____ angles are ___________________ to the same angle, then they are ______________.
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