Very urgent....Plz solve it...
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there is a formula- angle lad= 1/2*(angle b - angle c)
threfore,
angle lad = 1/2*(60-40)°
=>angle lad= 1/2*20°
=> angle lad= 10°
threfore,
angle lad = 1/2*(60-40)°
=>angle lad= 1/2*20°
=> angle lad= 10°
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