Delete the red lines. Save the drawing.

Extend the cyan color lines to the white line. Save the drawing.

Create a chamfer in the lower right corner of the object. Set the first chamfer distance to 50mm and the second chamfer distance to 150mm. Save the drawing.

Calculate the area of the object. Modify the text Area= by entering the result of the calculation.

Calculate the area of ​​the object without including the area of ​​the two circles in the result. Modify the text Area= by entering the area result. Save the drawing.

Calculate the area of ​​each office room. Modify the text Area= by entering the area result for each one. Save the drawing.

Copy the faucet (Faucet-Bathroom Top) from the INFOlearnCopy.dwg document, using the red point (without duplicating it) as a base. Paste it into the INFOlearnPaste.dwg file, in the point with absolute coordinates (8000,7000). Save the drawing.

Break down all the blocks into their simplest parts. Save the drawing.

Unfreeze the mirror layer. Copy the circle by mirroring, to the right of the drawing, using the red line as a guide. Freeze the mirror layer again and save the drawing.

Copy the 2 hexagonal objects vertically downwards at 10mm distance. Save the drawing.

Draw a polyline that starts at the point with absolute coordinates (6, 15), has a length of 25 to the right and a width of 0.5 (Width). Save the drawing.

Using the appropriate command, modify the properties of the yellow line so that it is similar to the red one. Save the drawing.

Delete, with the appropriate command, all unnecessary elements contained in the drawing, e.g. Layers, Linetypes, Blocks, Dimension Styles and Shapes. Save the drawing.

Insert a horizontal line which will start at the center of the circle and extends until the right part of the circle's circumference. Save the drawing.

Draw a circle with the 2points option. The circle's diameter starts at point A and ends at point B. Save the drawing.

Copy the objects in column A at a distance of 50 towards column B. Save the drawing.

Cut out the parts of the circle defined by the two vertical red lines. Save the drawing.

Complete the drawing by adding two ellipses between the two lines at the top and bottom of the drawing. Choose for yourself the dimension of the short axis of the ellipses. Save the drawing.

Draw a horizontal line starting at the absolute point (75.70, 84) and a length of 100 points, to the right. Save the drawing.

Draw an arc that passes through the three given points (exactly through their center). Save the drawing.

Insert the four tangent lines between the two circles. Save the drawing.

Move the magenta diamonds 40 units to the left. Save the drawing.

Rotate all shapes together by 45° counterclockwise. Use the center of the yellow cross as the base point of rotation. Save the drawing.

Extend the yellow horizontal lines up to the red vertical line. Save the drawing.

Scale the green object to 1:2. The lower side of the object should remain in the same level as the lower side of the red object. Save the drawing.