Hoeveel driehoeken kan men vormen door drie van die tien punten te verbinden ? |
A. 60 |
---|---|
B. 66 | |
C. 110 | |
D. 120 | |
E. 220 |
[ 6-2809 - op net sinds 30.3.13-(E)-16.7.2024 ]
5 on a circle, 5 on a diameter (see figure) How many triangles can be made by joining three points ? |
A. 60 |
---|---|
B. 66 | |
C. 110 | |
D. 120 | |
E. 220 |