Page 118 - NUMINO Challenge_A2
P. 118
Geometry
5. Polyiamonds
Investigate A Shape Made with Two Equilateral Triangles A Shape Made with Four Equilateral Triangles
Type Study Number of different shapes that can be made by
connecting three equilateral triangles: 1
Number of different shapes that can be made by
connecting four equilateral triangles: 3
Making Pentiamonds
1 Rotate the equilateral triangle and connect it to the sides of the shapes.
2 There are four different shapes that can be made without including the overlapping
shapes.
13Answer Key
5. Polyiamonds
Investigate A Shape Made with Two Equilateral Triangles A Shape Made with Four Equilateral Triangles
Type Study Number of different shapes that can be made by
connecting three equilateral triangles: 1
Number of different shapes that can be made by
connecting four equilateral triangles: 3
Making Pentiamonds
1 Rotate the equilateral triangle and connect it to the sides of the shapes.
2 There are four different shapes that can be made without including the overlapping
shapes.
13Answer Key
