Lesson 15 : Triangles And Quadrilaterals / முக்கோணங்கள் மற்றும் நாற்கரங்கள்

Triangles and Quadrilaterals.

Measure exterior angles of a Quadrilaterals to the nearest degree. Find the sum of the four exterior angles of a Quadrilateral.

Triangles and Quadrilaterals.

Measure interior angles of a Quadrilaterals to the nearest degree. Find the sum of the three interior angles of a Quadrilateral.

Triangles and Quadrilaterals.

Measure interior angles of a triangle to the nearest degree. Find the sum of the three interior angles of a triangle.