Question

1) Prove that the sum of the four angles of a quadrilateral is 360 °
2) Angles of a triangles are (x – 40°), (x – 20°) and (5* - 10). Find the value of x and each
angle of triangles
3) Sum of two angles of triangles is 90° and their difference is 50°. Find all angles of triangles​

Answer 1

Answer:

Your 2nd question seems to be incorrect or Incomplete because of this I am only posting answer of 1st and 3re question

PLEASE MARK ME A BRAINLIEST