Jan. 12 th Use your addition skills to fill in missing numbers so all columns, rows, and diagonals add up to the number in the squares along the right.

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Presentation transcript:

Jan. 12 th Use your addition skills to fill in missing numbers so all columns, rows, and diagonals add up to the number in the squares along the right and bottom edges of the puzzle.

4 shortcuts SSS SAS ASA AAS Given Information Congruent Markings Other info you can deduce from the diagram  Vertical Angles Reflexive Property

P roof – is a convincing argument that shows why a statement is true. Two-column proof has numbered statements and reasons that show the logical order of the argument. Each statement has a reason listed to its right.

STATEMENTS REASONS

Page 247 # 34 & 35

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GIVEN Alternate Interior Angles A S A ASA Postulate

Given AAS Postulate Def. of Perpendicular lines Vertical Angles Th. Given