Define angle sum property of a quadrilateral.
Answers
Answered by
0
Answer:
A, B and C are the three vertices and ∠ABC, ∠BCA and ∠CAB are three interior angles of ∆ABC. Theorem 1: Angle sum property of triangle states that the sum of interior angles of a triangle is 180°.
This property states that the sum of all angles of a quadrilateral is 360°. Let's prove this. Theorem: The sum of all the four angles of a quadrilateral is 360°.
Similar questions