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Question
নিচের চিত্রে
∠
B
=
75
এবং
∠
A
C
E
=
150
°
হলে
∠
A
কোণের মান কত?
30
°
45
°
75
°
105
°
ANSWER : 3
Descrption
<figure class="image image_resized" style="width:38.96%;"><img src="https://sattacademy.com/uploads/question-images/6386f24d2b991_1669788237.png" alt=""></figure><p><math xmlns="http://www.w3.org/1998/Math/MathML"><mo>∠</mo><mi>A</mi><mo>=</mo><mo>∠</mo><mi>B</mi><mi>A</mi><mi>C</mi><mo>=</mo><mn>180</mn><mo>°</mo><mo>-</mo><mo>∠</mo><mi>A</mi><mi>B</mi><mi>C</mi><mo>-</mo><mo>∠</mo><mi>A</mi><mi>C</mi><mi>B</mi><mo>=</mo><mn>180</mn><mo>°</mo><mo>-</mo><mn>75</mn><mo>°</mo><mo>-</mo><mo>(</mo><mn>180</mn><mo>°</mo><mo>-</mo><mn>150</mn><mo>°</mo><mo>)</mo><mo>=</mo><mn>75</mn><mo>°</mo></math></p><p> </p>
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