" "sustruct an angle of "90"" at the initial point of a given mvand tiustify thy "

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

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

Construct an angle of 90^@ at the initial point of a given ray and justify the construction.

Construct an angle of 90^@ at the initial point of a given ray and justify the construction.

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

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

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

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

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