With the help of a set square, construct angles measuring `60^@, 30^@ and 45^@`

With the help of compass , construct an angle measuring 22.5^@

With the help of compass, construct an angle measuring 52.5^@

With the help of compass, construct and angle measuring 67.5^@ (Hint , Bisect angle of 90^@ and 45^@ )

Construct angles of 45^@, 150^@ and 135^@ using a compass.

Draw a line segment AB. Take any point C on it. With the help of a compass, construct angleACT = 60^@

Write the Supplement of an angle of measure 60^@ .

With the help of a ruler and a compass it is not possible to construct an angle of

Draw a line segment BC=4cm. Construct angle ABC=60^(@) .

Construct the following angles : (i) 60^(@) (ii) 30^(@) (iii) 15^(@)

If the measures of angles of a triangle are in the ratio of 3:4:5, what is the measure of the smallest angle of the triangle? (a) 25^0 (b) 30^0 (c) 45^0 (d) 60^0