The ratio of the angles of a triangle is 2 : 3 : 4. What is the largest angle in degrees?
Solution
Correct Answer: Option C
ত্রিভুজের কোণগুলোর অনুপাত = 2 : 3 : 4
ধরি
কোণগুলো = 2x , 3x 4x
প্রশ্নমতে,
2x + 3x + 4x = 180°
বা, 9x = 180°
বা, x = 180°/9
x = 20°
বৃহত্তম কোণ = 4 × 20°
= 80°
ধরি
কোণগুলো = 2x , 3x 4x
প্রশ্নমতে,
2x + 3x + 4x = 180°
বা, 9x = 180°
বা, x = 180°/9
x = 20°
বৃহত্তম কোণ = 4 × 20°
= 80°
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