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180 is the answer with explanation
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Solution
Given :-
- ratio of three angle of triangle = 2:3:4
Find :-
- Largest angle of triangle
Explanation
We know,
Sum of all angle of triangle be = 180°
So, Acc. to question,
- first angle be = 2x
- second angle be = 3x
- Third angle be = 4x
So, Sum of all angle be = 180°
➡ 2x + 3x + 4x = 180°
➡9x = 180°
➡x = 180°/9
➡x = 20°
Hence
- First angle be = 2x = 2 × 20 = 40°
- Second angle be = 3x = 3×20 = 60°
- Third angle be = 4x = 4×20 = 80
Since
- Largest angle of triangle will be = 80°
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