Solve the question in the image. Please state the steps involved and add a photo of the final result

Solution given:

Step 1: construct a length AB 8cm

Step 2: construct 105° at point A

Step 3:construct 30° at point B

Step4: make a length AC and BD by pencil with their respective angle

Step 5: make a compass point having distance 9cm

Step 6: Cut the line AC by the compass.and from point C to line BD.

now

measure

CD=9cm

<BCD=25°[by using protractor]

0.02040816326

b.-4 units

all you   do is count how many times you move