Daftar Pustaka https://www.kherysuryawan.id/2022/05/buku-siswa-dan- guru-matematika-kelas-7.html https://youtu.be/mRy5nXHrHQk?feature=shared https://youtu.be/JrWic2SG_ts?feature=shared https://yhoo.it/4aYPWjf https://yhoo.it/3WqjzWi https://yhoo.it/3UH36LX https://yhoo.it/4b3p01Q 32