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What is 1 + 3?
geometry ch. 2
follows the "if" in conditionals, an educated guess
follows the "then" in conditionals
formed by interchanging the hypothesis and the conclusion, aren't always true
an example that implies that the converse is false
when not is added in a conditional and is true
when not is added to a converse and is true,
the conditional = the ________________ and the inverse = the ___________
a statement that contains the words "if and only if"
the property that substitutes
the property that reflects what is true
the property that switches the things on opp. sides of the =
property that says if blank = blank and blank = blank, then blank 1 = blank 2
angles that add up to 90 degrees
angles that add up to 180 degrees
non adjacent angles from when 2 lines intersect
lines that intersect to form right angles or 90 degree angles
in order for a definition to be true, the ____________ & ___________ is true
proofs - proved statements