GEOMETRY
posted by Tyler .
Which statement is contrapositive of the conditional: If a triangle is isosceles, then it has 2 congruent sides.
1. If a triangle does not have 2 congruent sides, then it is not isosceles.
2. If a triangle is isosceles, then it does not have 2 congruent sides.
3. If a triangle has 2 congruent sies, then it is isosceles.
4. If a triangle is not isosceles, then it does not have 2 congruent sides.

GEOMETRY 
Steve
positive: p > q
contrapositive: ~q > ~p
so, (1)
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