Saved Bookmarks
| 1. |
(1) ADD(ii) AB + BC + CD>DA(iii) AB + BC + CD + DA> AC + BD10. Prove that the sum of all the angles of a quadrilateral is 364 |
|
Answer» By drawing a diagonal to a quadrilateral it forms 2 equal triangles according to the triangle theory 'sum of angle of 3 angles of triangle is 180 'as there ar 2 triangle with their angle 180 and 180 therefore the sum of the angle of the 2 triangle is 180+180=360 |
|