Suppose theorem 7.7 is used to prove theorem 7.8. Will vice-versa (if it 's possible) be correct ? An example attached herewith...
The length breadth and height of a room are 5m,4m and 3m respectively. Find the cost of whit washing the walls of the room and the ceiling at the rate of rs 7.50 per m
If diagonals of a cyclic quadrilateral whose diagonals intersect at a point E. If DBC =70