Question

if the angles of a triangle are in the ratio 3:4:5 then which is the largest angle​

Answer 1

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Answer 2

✞︎ Given :-

• The angles of triangle are in the ratio 3 : 4 :5.....

❦︎ To find :-

• the largest angle of the triangle.....

✯︎ Solution :-

Let the angles be 3x , 4x , and 5x

We know that ,

➪︎ Sum of angles in a triangle = 180°

So.........

➪︎ $3x + 4x + 5x = 180°$

➪︎ $12x = 180°$

➪︎ $x = \frac{180°}{12}$

➪︎ $x = 15°$

➪︎ Therefore the angles are.....

• 3x = 3(15) = 45°
• 4x = 4(15) = 60°
• 5x = 5(15) = 75°

✰︎✪︎ The largest angle is 75°.......