| 161 | 161th LS(220228) 7.1 Properties of Parallelogram (PDF 377) | Jp Park  | 2022-02-28 | 0 |
| 162 | 162th LS(220303) 7.4 Properties of Special Parallelogram (PD.. | Jp Park | 2022-03-04 | 0 |
| 163 | 163th LS(220310) 8.1 Similar Polygons (PDF 424) | Jp Park | 2022-03-10 | 0 |
| 164 | 164th LS(220312) 8.3 Proving Similarity (PDF 448) | Jp Park | 2022-03-12 | 0 |
| 165 | 165th LS(220321) 9.1 Pythagorean Theorem (PDF 473) | Jp Park | 2022-03-21 | 0 |
| 166 | 166th LS(220324) 9.4 Tangent Ratio (PDF 495) | Jp Park | 2022-03-24 | 0 |
| 167 | 167th LS(220328) AMC 8 2022 Review | Jp Park | 2022-03-28 | 0 |
| 168 | 168th LS(220331) 9.6 Solving Right Triangles | Jp Park | 2022-03-31 | 0 |
| 169 | 169th LS(220405) 9.7 Laws of sine and cosine (PDF 519) | Jp Park | 2022-04-05 | 0 |
| 170 | 170th LS(220407) 10.2 Finding arc measure (PDF 547) | Jp Park | 2022-04-07 | 0 |
| 171 | 171th LS(220414) 10.4 Inscribed Angles (PDF 559) | Jp Park | 2022-04-15 | 0 |
| 172 | 172th LS(220418) 10.5 Angle Relationships in Circles (PDF 57.. | Jp Park | 2022-04-18 | 0 |
| 173 | 173th LS(220421) 10.7 Circle in the Coordinate Plane (PDF 58.. | Jp Park | 2022-04-22 | 0 |
| 174 | 174th LS(220425) 11.2 Areas of circles and sectors (PDF 611.. | Jp Park | 2022-04-26 | 0 |
| 175 | 175th LS(220427) 11.4 Three Dimensional Figures (PDF 625) | Jp Park | 2022-04-27 | 0 |
| 176 | 176th LS(220502) 11.7 Surface Areas and Volumes of Cones (PD.. | Jp Park | 2022-05-02 | 0 |
| 177 | 177th LS(220505) 12.2 Independent and Dependent Events (PDF .. | Jp Park | 2022-05-05 | 0 |
| 178 | 178th LS(220509) 12.3 Two Way Table (PDF 694) | Jp Park | 2022-05-09 | 0 |
| 179 | 179th LS(220512) 12.5 Permutation and combinations (PDF 708) | Jp Park | 2022-05-12 | 0 |
| 180 | 180th LS(220516) Ch2. Indices (PDF 67) | Jp Park | 2022-05-16 | 0 |
