Answer :

Answer:

B) 66

Step-by-step explanation:

75+39=114

180-114=66

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Rewritten by : Barada

Answer:

∠KMN = 66°

Step-by-step explanation:

In ΔKMN,

∠MKN + ∠KNM + ∠KMN = 180 {Angle sum property of triangle}

39 + 75 + ∠KMN = 180

114 + ∠KMN = 180

∠KMN = 180 - 114

∠KMN = 66°