Pick out the Acute angles from the given figures.

Name the following angles as shown in the figure.

(i) ∠1 =
(ii) ∠2 =
(iii) ∠3 =
(iv) ∠1 + ∠2 =
(v) ∠2 + ∠3 =
(vi) ∠1 + ∠2 + ∠3 =

From the figures given below, classify the following pairs of angles into supplementary and non supplementary

Use a Protractor to draw an angle 90º.

Use a protractor to draw an obtuse angle 120°.