Math, asked by Superman7513, 1 year ago

If the angles of a triangle are in ratio 3:7:10 show that triangle is right angled

Answers

Answered by ayuhemant
49

Let the 1st angle be 3x

The 2nd angle be 7x

The 3rd angle be 10x

Sum of angles of triangle is 180°

3x + 7x + 10x = 180°

20x= 180

x = 180/20

x= 9

1st angle = 3x =3*9 = 27°

2nd angle = 7x = 7*9 = 63 °

3rd angle = 10x = 10*9 = 90°

1 angle is 90° . So, it is a right angled triangle.


Answered by sherinmerlin18
25

Let the 1st angle be 3x

The 2nd angle be 7x

The 3rd angle be 10x

Sum of angles of triangle is 180°

3x + 7x + 10x = 180°

20x= 180

x = 180/20

x= 9

1st angle = 3x =3*9 = 27°

2nd angle = 7x = 7*9 = 63 °

3rd angle = 10x = 10*9 = 90°

1 angle is 90°. So, it is a right angled triangle.

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