Pengembangan Perangkat Pembelajaran Matematika Menggunakan Model Inkuiri Terb…

This study aims to produce mathematic learning device in the form of syllabus, lesson plan, and student worksheet using the guided inquiry learning model on the subject of tangent between two circle for VIII grade students. The study model used is 4-D that consist of define, design, develop, and desseminate. The research instrument used is validity device and practicality device. The validity d…