Question
LMN and BMN are isosceles triangles. LM = LN, BM = BN, ∠LMB = 21° and ∠MBN = 102°. Find ∠d.
2 m

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LMN and BMN are isosceles triangles. LM = LN, BM = BN, ∠LMB = 21° and ∠MBN = 102°. Find ∠d.