Question

Construct an angle of120 degree with using protractor or compasses

Answer 1

please see the attached photo for your answer

Steps of construction

• Draw a ray AB
• Taking A as centre draw an arc that intersect AB at D
• With the same radius Taking D as centre draw an arc that cut previous arc at E
• With same radius taking E as centre cut the previous arc at F .
• Join A to F and extend it to C

=> Now angle CAB is 120°