∆ABC is an isosceles triangle with AB = AC. If ∠A = 70o
, what is the
measure of ∠B?
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∆ABC is an isosceles triangle with AB = AC. If ∠A = 70o
, what is the
measure of ∠B?
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Answer:
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Answer:
angle C=angle B
=>angleA+angleB+angleC=180°
=>70+2angleB=180°
=>2angleB=180°-70°
=110°
=> angle B=55°