Find the measure of angle ‘a’ in each figure. Give reason in each case.

Find the measure of angle 'a' in each case. Give reason :

Find the measure of angle 'a' in each case. Give reason:

Find the measure of angle 'a' in each case. Give reason:

Find the measure of angle 'a' in each case. Give reason:

Find the measure of each angle indicated in each figure where l and m are parallel lines intersected by transversal n.

Find the measure of each angle indi cated in each figure where I and m are parallel lines intersected by a transversal 'n'.

Find the measure of each angle indi cated in each figure where I and m are parallel lines intersected by a transversal 'n'

Find the measure of each angle indi cated in each figure where I and m are parallel lines intersected by a transversal 'n'.

Name the pairs of angles in each figure by their property.

Find the surface area of each the following figure.