alleryএকটি বৃত্তস্থ চতুর্ভুজের একটি কোণ 75°। এর বিপরীত কোণটি কত?
A95°
B115°
C105°
D75°
Answer & Solution
Correct answer: C. 105°
বৃত্তস্থ চতুর্ভুজের বিপরীত কোণগুলি পরস্পর সম্পূরক, তাই 180 - 75 = 105 degrees।
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