Start by selecting the 2-point rectangle from the Sketch dropdown box
Once you click on 2-point Rectangle you will have to select a plane to work on:
Select the bottom plane - your screen will switch form 3D to 2D. Select the first corner of your rectangle to be on the origin where the circle and lines intersect.
You will then be prompted to select the size of the rectangle. You can select the second corner by moving the mouse to the bottom right hand side of the screen. You can double click on the dimensions to change them.
After you have completed the rectangle the dimensions will disappear. In order to add the dimensions again select the dimension from the toolbar.
select the edges of the rectangle and add both dimensions.
Click on Stop sketch in the top toolbar
Click on the 8 slides to complete the next drawing: