Subject :IMO Class : Class 7

Which of the following steps is incorrect, while constructing DABC where BC = 12 cm, ∠ABC = 60° and ∠BCA = 30°.

**Steps of construction :**
**Step-1 :** Draw a line segment BC of length 12 cm.
**Step-2 :** At B, draw a ray BP making an angle of 60° with BC.
**Step-3 :** At C, draw a ray CY making an angle of 30° with BC such that it intersects ray BP at B.

AOnly step-2

BOnly step-3

CStep-2 and step-3

DNone of these