1. Draw the circumcircle of a triangle. (Only the construction diagram needs to be provided.) Here are some diagrams that show how to construct the circumcircle of a triangle using compass and straightedge techniques:

2. Determine the value of \(\sqrt{15}\) using a geometric method. (Only provide the construction steps or diagram labels.)

3. Translate to English: "Find the value of √21 using a geometrical method. (Only construction markings are to be provided)"

4. Determine the value of \(2\sqrt{3}\) using a geometric method. (Only provide the construction diagram.)

5. Determine the value of √19 using a geometric method. (Only construction marks are required.)

6. Find the value of √35 using a geometric method. (Only construction marks are required.)

7. Determine the value of \(2\sqrt{7}\) using a geometric method. (Only the construction marks are required.)

8. Determine the mean proportional of √21 by geometrical method. (Only construction markings need to be shown)

9. Determine the value of √18 using geometric method. (Only provide the construction marks)