file · Web viewLembar Kerja Siswa. Mata Pelajaran: Matematika. Kelas ... Persamaan dan...
Transcript of file · Web viewLembar Kerja Siswa. Mata Pelajaran: Matematika. Kelas ... Persamaan dan...
Lembar Kerja Siswa
Mata Pelajaran : Matematika
Kelas/Semester : VII/Semester Ganjil
Materi Pokok : Persamaan dan Pertidaksamaan Linear Satu Variabel
Kerjakan soal-soal berikut ini dengan benar!
1. Panjang suatu persegi panjang 7 cm lebih dari lebarnya. Jika kelilingnya 46 cm, hitunglah ukuran persegi panjang tersebut?
2. Rumah Ibu Hani akan dibangun diatas tanah berbentuk persegi panjang, yang panjangnya 20 m dan lebarnya (6y-1) m . Jika luas tanah Ibu Hani tidak kurang dari 100 m2
a) Berapakah lebar terkecil tanah Ibu Hani ?b) Jika biaya untuk membangun rumah diatas tanah seluas 1 m2, dibutuhkan
Rp 2.000.000,- . berapakah uang yang harus disediakan Ibu Hani jika seluruh tanahnya dibangun?
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