We know that Sum of angles of a quadrilateral is = 360°
Let each angle be x°
So,
3x° + 5x° + 7x° + 9x° = 360°
24x° = 360°
x°= 360°/24
= 15°
Value of angles are
3x = 3 × 15 = 45°
5x = 5 × 15 = 75°
7x = 7 × 15 = 105°
9x = 9 × 15 = 135°
∴ Value of angles are 45°, 75°, 105°, 135°
