Question

Construct an angle ABC of 90 degree using compass and ruler.​

Answer 1

1) draw line BC

2) then taking any radius draw a semi circle by taking centre B and the point were semi circle intersect line BC name it D

3) now take the same radius taking centre D draw an arc on the semi circle

4) the first arc is 60°

5) take the same radius take the first arc as centre draw another arc

6) the second arc is 120°

7) now with the same radius draw an arc taking centre the first arc (60°)

8) then with the same radius cut the arc taking centre the second arc (120°)

9) connect B and the arcs and name the point A