Log ind
WAEC - Mathematics (1996 - No. 38)
In the diagram above, AB, CD and XY are straight lines intersecting at W. Find ∠CWX
20
o
80
o
100
o
120
o
140
o
Forklaring
a = 40
o
(vertical opp. ∠s are equal) b = 60
o
a + b + c = 180
o
(sum of ∠s on a str line)
40
o
+ 60
o
+ c = 180
o
C = 180
o
- 100
o
C = 80
o
Kommentarer (0)
Log ind for at kommentere
Reklame
Tillad, at javascript indlæser denne side korrekt
