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If the measure of three angles of a triangle are in the ratio 2 : 3 : 5, then the triangle is :
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- right angled
- isosceles
- obtuse angled
- equilateral
- right angled
Correct Option: A
Let Angles of triangle = 2k°, 3k° and 5k°
∴ 2k° + 3k° + 5k° = 180°
⇒ 10k° = 180°
| k° = | = 18° | |
| 10 |
Angles of triangle = 2k = 2 × 18 = 36°,
3k = 3 × 18 = 54°,
5k = 5 × 18 = 90°,
Hence, it is a right angled triangle.
