Respuesta :

B: BC

The longest side of a triangle is the side that is across from the largest angle. Angle A is the largest angle and is across from side BC, so side BC is the longest side of triangle ABC
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Answer:

B: BC

Step-by-step explanation:

In a triangle, the opposite side of largest angle is largest, the opposite side of smallest angle is smallest and the opposite side of medium angle is medium,

Given,

ABC is a triangle in which,

m∠ A - 61° ,  m∠ B - 60°  and m∠ C - 59°

Thus, ∠ A > ∠ B > ∠ C

Since, angle A, angle B and angle C are the opposite angle of the sides BC, CA and AB respectively,

⇒ BC > CA > AB.

Hence, the longest sides of triangle ABC is BC.

⇒ Option B is correct.

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