JAMB - Mathematics (2013 - No. 34)
The value x in the figure given is
110o
100o
70o
130o
คำอธิบาย
Sum of the angles in a triangle = 180°
180° - x + 60 + 70 = 180
130° - x = 180° - 180° = 0°
x = 130°
The value x in the figure given is
Sum of the angles in a triangle = 180°
180° - x + 60 + 70 = 180
130° - x = 180° - 180° = 0°
x = 130°