What is the contrapositive of the statement: “If ABC is a triangle, then A + B + C = 180°.”?
A.
If ∠A + ∠B + ∠C ≠ 180°, then ABC is not a triangle.
B,
If ABC is not a triangle, then ∠A + ∠B + ∠C = 180°.
C.
If ABC is not a triangle, then ∠A + ∠B + ∠C ≠ 180°.
D.
If ∠A + ∠B + ∠C = 180°, then ABC is a triangle.
A.
If ∠A + ∠B + ∠C ≠ 180°, then ABC is not a triangle.
B,
If ABC is not a triangle, then ∠A + ∠B + ∠C = 180°.
C.
If ABC is not a triangle, then ∠A + ∠B + ∠C ≠ 180°.
D.
If ∠A + ∠B + ∠C = 180°, then ABC is a triangle.
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Answer:
D.If ∠A + ∠B + ∠C = 180°, then ABC is a triangle.
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