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The ratio of the angles of a triangle is 1 : 2 : 3 .Then the smallest angle is : 3
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21 4° 7 - 25°
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25 5° 7 -
38 4° 7
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Correct Option: C
As per the given in question,
In a ∆ ABC,
| ∠A : ∠B : ∠C = 1 : | : 3 = 3 : 2 : 9 | |
| 3 |
Sum of the terms of ratio = 3 + 2 + 9 = 14
| ∴ Lowest angle = ∠B = | × 180° | |
| 14 |
| Lowest angle = ∠B = | = 25 | ||
| 7 | 7 |
