How do you make three equilateral triangles by moving four matches?

take three match for each triangle

A parallelogram.

That's reletivly easy. All you need to do is the following:(4 + 4 + 4) / 4 = 3

Mkae a triangle with three match sticks, take two match sticks and make another triangle, opposing the first triangle. Then put the last match stick, in the middle of one of the triangles, making two...

draw a big triangle then make a line halfway through it