For the following questions answer them individually
A girl ran from her home towards east direction and took a left turn. Again she turned left and turned right. How many turns she did towards north and west?
Raj walks 10 m north from his house, turns left and walks 25 m, again turns left and walks 40 m, then turns right and walks 5 m to reach the school. In which direction is the school from his house?
An imaginary straight line passing through the two centres of curvature and the optic centre of the lens is called-
Conditions for two figures to be similar:
1) They are equiangular.
2) Their corresponding sides are proportional.
3) They are congruent.
