(4)
4. In triangle ABC, AB = AC and angle B = 45°. Then, angle A is
(1) 45°
(2) 60°
(3) 90°
(4) 75°
Answers
Answered by
1
Answer:
a= 90°
Step-by-step explanation:
c = b
so c = 45 °
a+b+c = 180°
45° + 45° + c = 180°
c = 180° - 90 °
c= 90°
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