his square is cut into two identical triangles.
Cut a square into:
(a) two identical rectangles
(b) two identical pentagons
(c) two identical hexagons
(d) two identical heptagons
(e) two identical octagons
The star player of the local football team has played in every match so far this season.
If he had scored 8 more goals, his average would be 3 goals per match.
If he had scored 7 fewer goals, his average would be 2 goals per match.
How many goals has the star player scored so far this season?