Measure and classify each angle :

The four angles of a quadrilateral are in the ratio 1: 2:3:4. Find the measure of each angle of the quadrilateral.

The opposite angles of a parallelogram are (3x-2)^(@) and (x+48)^(@) . Find the measure of each angle of the parallelogram.

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

The angles of a triangle are (2x)^(@), (3x + 5)^(@) and (4x − 14)^(@) . Find the value of x and the measure of each angle of the triangle

Find the measure of each extrerior angle of a regular polygon of: (a)9 sides (b) 15 sides.

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

Construct with ruler and compasses, angles of following measures: 60∘

In the adjacent figure, AB || CD, ‘t’ is a transversal intersecting E and F respectively. If ∠2 : ∠1 = 5 : 4, find the measure of each marked angles.

Complete the folloiwng statemetns: Among two congruent angles, one has a measure of 70^o the measure of the other angle is ______.