Construct an angle of `90^(@)` at the initial point of a given ray and justify the construction. Draw its angle bisector.

Construct an angle of 45^@ at the initial point of a given ray and justify the construction.

Construct an angle of 60^@ at the initial point of a given ray.

To construct an angle of 60^(@) at the initial point of a given ray.

Construct the following angles at the initial point of a given ray and justify the construction: (i) 45^0 (ii) 90^0

Construct an equilateral triangle, given its side and justify the construction.

Draw an angle of 60^(@) . Draw its bisector.

Construct an angle of 60^0 with the help of compasses and bisect it by paper folding.

Make any acute angle in your notebook. Using a compass, construct its angle bisector.

Draw a DeltaABC in which AB=4 cm, BC=6 cm and AC=9cm. Construct a triangle similar to DeltaABC with scale factor (3)/(2) . Justify the construction. Are the two triangles congruent ? Note that all the three angles and two sides of the two triangles are equal.

Draw a circle of radius 4 cm. Construct a pair of tangents to it, the angle between which is 60^(@) . Also justify the construction. Measure the distance between the centre of the circle and the point of intersection of tangents.