Warm up with Frosty
:
What kind of angle pairs are they?
∠
1 and
∠
2
∠
1 and
∠
4
∠
5 and
∠
6
∠
6 and
∠
7
If m
∠
1 = 100
o
, then m
∠
2=
If m
∠
3v= 60
o
, then m
∠
2=
If m
∠
5 = 40
o
, then m
∠
6 =
Properties of Angle Congruence
If m
∠
4 = 110
o
, then m
∠
2 =
If
∠
3
2245
∠
2, then
∠
2
2245
∠
3
If
∠
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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This note was uploaded on 04/03/2012 for the course LITERATURE 201 taught by Professor Mr.nielsen during the Spring '09 term at Franklin College of Indiana.
 Spring '09
 Mr.Nielsen

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