
MATERI SEGITIGA SAMA SISI
Presentation
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Siti Zumaroh
FREE Resource
7 Slides • 0 Questions
1
By Siti Zumaroh
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Segitiga sama sisi adalah segitiga yang ketiga sisinya memiliki panjang yang sama
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Sisi Sama Panjang
Ketiga sisi segitiga sama sisi memiliki panjang yang sama
Keliling
Keliling segitiga sama sisi adalah tiga kali panjang salah satu sisinya ( keliling = 3 x sisi )
Contoh Soal
Jika panjang sisi segitiga sama sisi adalah 5 cm, maka kelilingnya adalah 15
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Sudut Sama Besar
Ketiga sudut dalam segitiga sama sisi memiliki ukuran yang sama
Ukuran 60 Derajat
Setiap sudut pada segitiga sama sisi berukuran 60 derajat
Total 180 Derajat
Jumlah ke tiga sudut dalam segitiga sama selalu 180 derajat ( 180 : 3 = 60)
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Penggaris
Buat garis dasar dengan panjang yang di inginkan menggunkan penggaris
Jangka
Buka jangka selebar panjang garis dasar
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Nama Kelompok :
Anggota Kelompok :
Kelas :
SOAL
Gambarlah segitiga sama sisi dengan ukuran 14 cm !!!
Sebutkan sifat-sifat segitiga sama sisi dan buktikan bahwa ketiga sudut dari segitiga sama sisi adalah sama sama besar.
By Siti Zumaroh
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