1103170607

Level: 
Project ID: 
1103170607
Accepted: 
1
Clonable: 
0
Easy: 
0
Let there be an equilateral triangle with a side length of 16cm. Connecting the centres of its sides with line segments we form another equilateral triangle. If we add three more triangles using the same procedure, what is the sum of their perimeters?
93cm
72cm
144cm
31cm
90cm