How many triangles are there in a quadrilateral?

Since you haven't specified that two adjacent sides of the quadrilateral have to be the two of the three sides of the triangles in the question, they are infinitely many. read more

Quick Answer. A quadrilateral has four angles. There are many different types of quadrilaterals, and each has a specific name based on the shape that is formed. read more

In the case of quadrilaterals such as: rectangle, square, parallelogram, trapezium rhombus, kite, etc. - a diagonal line, typically divides a quadrilateral into two triangles. In the case of quadrilaterals such as: rectangle, square, parallelogram, trapezium rhombus, kite, etc. - two diagonal lines, typically divide a quadrilateral into four triangles. read more

Infinitely many. Any triangle inside a quadrilateral can be divided into two without affecting the quadrilateral but increasing the number of triangles by 1. read more