Exterior angles of a triangle |Geometry| Triangle| Angle sum property of triangle | #maths | #shorts

Sum of angles of a triangle

The sum of all exterior angles of a triangle is

Angle Sum Property Of Triangles|Exterior Angle Of A Triangle|Exterior Angle Property Of Triangle|Practice Problem|NCERT Examples|NCERT Exercise

Prove that the sum of the three exterior angles of a triangle,formed by producing the sides in order,is 4 right angles.

THEOREM (Exterior Angle Property of a Triangle): If a side of a triangle is produced the exterior angle so formed is equal to the sum of two interior opposite angles.

Angle Sum Property Of A Triangle|Question Practice|OMR

If the bisector of the exterior vertical angle of a triangle be parallel to the base.Show that the triangle is isosceles.

If the bisector of the exterior vertical angle of a triangle be parallel to the base.Show that the triangle is isosceles.

The sum of the angles of a triangle is two right angles or 180^(@).

Lines And Angles Theorem 1 (Co-Interior Angle)|Theorem (Angle Sum Property Of Triangle)|Theorem (Exterior Angle Property Of Triangle)