in ∆ABC , A= 70° c=90° find B
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Answer:
70°+90°=160°
THUS, THEN THE
NUMBER B IS 160°
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Information About The Question :-
in ∆ABC , A= 70° c=90° find B
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Since, AB = AC, therefore, ∠B=∠C
By angle sum property of triangle,
∠A+∠B+∠C=180
70°+2∠B=180°
2∠B=110°
∠B=55°
Hence, ∠B=∠C=55°
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