AABC - ADEF, ZA=45º. and ZF = 60° then ZB?
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Answer:
ΔABC∼ΔDEF
⇒∠A=∠D
⇒∠B=∠E
⇒∠C=∠F .
∴∠B=∠E=56°
In ΔABC,
∠A+∠B+∠C=180° ....Angle sum property of triangles
⇒45o+56o+∠C=180°
⇒∠C=79°
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