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1.
The ratio of the angles of a triangle is 2 : 3 : 4. What is the largest angle in degrees?
- A. 30
- B. 30
- C. 30
- D. 30
Answer: Option C
Explanation:
Let the angles be 2x, 3x and 4x respectively.
Now, 2x + 3x + 4x = 180°
or, 9x = 180°
or, x = 180/9 = 20
So, the largest angle = 4x = 4 x 20 = 80°.
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