Draw a polygon on a square dot sheet. Also draw congruent figures in different directions and mirror image of it.

State whether the following statements are true. Explain with reason.

Two equilateral triangles of side 4 cm each but labeled as ΔABC and ΔLHN are not congruent.

State whether the following statements are true. Explain with reason.

Mirror image of a polygon is congruent to the original.

Using a square dot sheet or a graph sheet draw a rectangle and construct a similar figure.

Find the perimeter and areas of both and compare their ratios with the ratio of their corresponding sides.

7 pillars are used to hold a slant iron ladder as shown in the figure. If the distance between every two pillars is 1 m and height of the last piller is 10.5 m. Find the height of pillar.