Find the perimeter when 115 triangles are put together in the pattern shown below. Assume that all triangle sides are 1 cm long. The perimeter is cm.​

Find the perimeter when 115 triangles are put together in the pattern shown below Assume that all triangle sides are 1 cm long The perimeter is cm class=

Respuesta :

answer is 345, there are 115 triangles all have 3 sides so, 115 x 3