1. The angles of a triangle are in the ratio of 1 : 3 : 5. find the main feature of each angle.
sorry friends the first question that I was incorrect so this is the correct one
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Step-by-step explanation:
Let angles be x.
1st angle = 1x
2nd angle = 3x
3rd angle = 5x
According to question,
1x + 3x + 5x = 180°
=> 9x = 180°
=> x = 180/9
=> x = 20°
1st angle = 1 × 20 => 20°
2nd angle = 3 × 20 => 60°
3rd angle = 5 × 20 => 100°
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