WAEC - Mathematics (1996 - No. 27)

In the diagram above, find x correct to the nearest degree

15^o

25^o

26^o

36^o

72^o

4x + 3x + 5x + 2x = 360 ( sum of angles of a quadrilateral )

14x = 360

x = \(\frac{ 360}{14}\)

= 25. 7142°..

\(therefore = x = 26^0\) to the nearest degrees.

Note; opposite angles are equal.