Tag: Quadrilateral

Calculate the fourth angle of the quadrilaterals whose other three angles 58°, 113°, 156°

Find the size of angle ‘y’ of this quadrilateral

Calculate the fourth angle of the quadrilateral whose other three angles are 95°, 85°, 90°

Find the size of the unknown angle x in this quadrilateral.

Calculate the fourth angle of  a quadrilateral whose other three angles are: 100°, 60°, 80°