Question

how many triangles can you count in this picture? wednesday warm up

Explanation:

Step1: Count small triangles

Count the individual non - overlapping small triangles. There are 8 small triangles in the patterned part.

Step2: Count large triangles

There are 2 large triangles formed by combining smaller triangles (the two large triangular - shaped parts on the right side).

Step3: Total number of triangles

Add the number of small and large triangles. $8 + 2=10$.

Answer:

10