1.

EXERCISE 81. ) The angles of quadrilateral are in the ratio 3:5:9:13. Find all the angles of of thequadrilateral.(2.) If the diagonals of a parallelogram are equal, then show that it is a rectangle.

Answer»

3x+5x+9x+13x = 360°

x = 360/30

x = 12°

The angles are 36°, 60°, 108° and 156°



Discussion

No Comment Found