Draw a vertical line with a dotted line

Draw parallel lines with solid lines

The height is indicated by dotted lines.

The center of the circle should be marked, the diameter and radius should be marked with dotted lines, and the length should be marked.

Read each question carefully twice before you do it.

Check the oral calculation questions.

Relax during the exam, don't be nervous, and be sure to check it after you finish.

Pay attention to the above points, 90 points is no problem.