Answer:
c.AB + BC
Step-by-step explanation:
Indirect Proof:
Step 1 Assume that the hypotenuse of a right triangle is not the longest side. That is, AB < BC and AB < AC.
Step 2 If AB < BC, then m C < m A. Since m C = 90, m A > 90. So, m C + m A > 180. By the same
reasoning, m C + m B > 180.
Step 3 Both relationships contradict the fact that the sum of the measures of the angles of a triangle equals 180.
Therefore, the hypotenuse must be the longest side of a right triangle.
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