Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths.

construction set pieces,

There are:

There are plenty of strips of each colour.

Vincent makes a triangle with a blue strip, an orange strip and a red strip.

triangle.

Tara makes a triangle with two green strips and one red strip and another triangle with 3 black strips.

two triangles.

How many more different triangles can they make?