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Segments
1 – (2,2)
2 - √136 = 11.7
3–x=9
4 – QR = 13, RS = 16
Angles
1 – obtuse, right, acute
2 – 123 degrees
3 – x = 16
4 – No
Conditional Statements
1 – p – if a bird is black, q – then the bird is a crow
2 – If the bird is a crow, then the bird is black.
3 – False, penguin, vulture, any other bird that is black
4 – If the bird is not a crow, then the bird is not black.
Proofs
1 – given statement, prove statement
2–
C
135o
D
45o
B
A
3 - <EFG = 90o and <XYZ = 90o, <EFG = <XYZ, definition of congruent angles
4 - <EFG = 90o and <XYZ = 90o 
<EFG = <XYZ
Given
Substitution
 <EFG ≅ <XYZ
Def. of congruent <s
Compound Statements
1 – Geometry is fun and geometry is easy.
2 – 25 = 32
3 – Irmo’s school colors are black and gold OR Mr. Riegel is Irmo’s principal.
4 – pVr – T, T, T, T, T, F, T, F
~q and r – T, F, T, T, T, F, T, T