JAMB - Mathematics (1984 - No. 39)
60o
90o
120o
30o
80o
Vysvětlení
From the diagram, PQRSTW is a regular hexagon.
Hexagon is a six sided polygon.
Sum of interior angles of polygon = (2n - 4)90o = [2 x 6 - 4] x 90 = 8 x 90 = 720o
each angle = \(\frac{720^o}{6} = 120^o\) and TVS = \(\frac{120}{2} = 60^o\)
Hexagon is a six sided polygon.
Sum of interior angles of polygon = (2n - 4)90o = [2 x 6 - 4] x 90 = 8 x 90 = 720o
each angle = \(\frac{720^o}{6} = 120^o\) and TVS = \(\frac{120}{2} = 60^o\)