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If \(I\) is the incentre of \(\triangle XYZ\), \(\angle IYZ = 30^{\circ}\) and \(\angle IZY = 40^{\circ}\), find \(\angle YXZ\).
 
YCIND_230311_4928_TN_GEO8_Med_10.png
 
Answer:
 
\(\angle YXZ =\) i°