Lesson over 7.1: https://drive.google.com/file/d/1t1x_MHDuz1dp-MBnTXO4pMjrJeqveTcX/view
Lesson over 7.2: https://drive.google.com/file/d/1IkiaPZlymTG6ww58vvDVUI2lJU0OwVWc/view
Lesson over 7.3: https://drive.google.com/file/d/1d5juWMdPN3vfcv1Zdzzvgg-DMKjhUnsx/view
Lesson over 7.4: https://drive.google.com/file/d/1xMEYn3qNH5k_ueh25wBhEBpDzta0Fwyu/view
Lesson over Similar Triangles: https://drive.google.com/file/d/1lQEQj8MwWvGyVFEPM049VywH0RSmFqtq/view