GEO: 2-4 QC (biconditional statements)
1. Which biconditional statement would show the      following conditional?
A figure has 5 sides if and only if it has 5 sides.
A pentagon has 5 sides if and only if it is regular.
A figure is a pentagon if it has 5 sides.
A figure is a pentagon if and only if it has 5 sides.
If a figure is a pentagon, then it has 5 sides.
A figure is a right triangle when it has a right angle.
A triangle is a right triangle if and only if it has 
    a right angle.
A triangle that has a right angle is a right triangle.
If and only if a figure has a right angle, it is a
    right triangle.
2. Which biconditional statement would show the      following conditional?
If a triangle has one right angle, then it is a right triangle.
3.  Which statement below would be the biconditional
     statement for the following?
Two angles are supplementary if and only if    they sum to be 180.
If two angles sum to be 180 if and only if they
    are supplementary angles. 
If two angles sum to be 180, then they are
supplementary angles.
4.  Which words must all biconditional statments
     include?
If ..., then ... .
if and only if
Because
assumption is
an angle is acute
?
5. Piece together a biconditional statement    by dragging the three parts below.
*Note - a capital letter and punctuation was
 purposely left off.
if and only if
?
it's measure isbetween 0 and 90
?
an animal is a fish
?
6. Piece together a biconditional statement    by dragging the three parts below.
*Note - a capital letter and punctuation was
 purposely left off.
if and only if
?
it has gills
?
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