 Hello and how are you all today? My name is Priyanka. The question says construct the angles of the following measurement. Now here we need to construct an angle of 15 degree. I have already written down the steps of constructions. The first step is to construct an angle A O B equal to 30 degree as you did in the first part of this third question like this. So this was a 30 degree angle that we made in the first part. Now what we need to do is we need to construct O E that will be the angle bisector of A O B. So bisect angle A O B so that the two angles that you have made becomes equal to what 15 degrees because half of 30 degree is 15 degrees itself. So what you need to do is you need to firstly draw an angle of 30 degree then draw a bisector O E like this. Taking C as a center draw an arc taking this point as a center draw another arc and then mark this point as E join O E. This is your required bisector that is bisecting the full angle into two parts 15 degree each. So this is our required construction of 15 degrees. This ends my session. Hope you enjoyed and have a good day.