Question

Construction an angle of 90° at the int initial point
of a given ray and justify the construction,​

Answer 1

Answer:

steps of construction

Step-by-step explanation:

to make 90 angle ,

draw a semicircle using compass ,then construct angle of 60 and 120 by making two arcs then from 60 angle mark an arc and similarly from 120 ,at last join the arc and make a line