In triangle ABC, angle C = 70 AC = BC. Find the measure of the written angle B.
| December 12, 2020 | education
Triangle ABC is isosceles, angle A – apex
Angles B and C are equal (since the angles at the base are equal), which means:
Angle B and angle C = 180-70 = 110
Angle B = 110: 2 = 55 degrees
Answer: 55 degrees
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