WAEC - Mathematics (2006 - No. 45)
In the diagram what is x + y in terms of z?
180o - z
180o + z
z - 180o
z
Explication
x + y + z = 180(sum of angles in a \(\bigtriangleup\))
x + y = 180 - z
x + y = 180 - z
In the diagram what is x + y in terms of z?