
KEKONGRUENAN
Presentation
•
Mathematics
•
3rd Grade
•
Hard
Su Darsih
FREE Resource
10 Slides • 0 Questions
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By Su Darsih
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Kompetensi Dasar :
3.6. Menjelaskan dan Menentukan Kesebangunan dan Kekongruenan antar Bangun Datar
4.6. Menyelesaikan masalah yang berkaitan dengan Kesebangunan dan Kekongruenan antar Bangun Datar
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PENGERTIAN :
Dua bangun datar dikatakan kongruen apabila dua bangun tersebut memiliki bentuk dan ukuran yang sama
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Contoh :
A B
Gambar bintang A kongruen dengan B
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Contoh :
A B
Segitiga A kongruen dengan segitiga B
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Syarat - syarat dua bangun dikatakan KONGRUEN apabila:
Dua bangun datar dikatakan sebangun apabila :
1. Sisi - sisi yang bersesuaian sama panjang
2. Sudut- sudut yang bersesuaian sama besar
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SEGITIGA SEGITIGA YANG KONGRUEN:
Adalah segitiga segitiga yang memenuhi pembuktian :
1. sisi, sisi, sisi
2. sisi, sudut, sisi
3. sisi, sudut, sudut
4. sudut, sudut, sisi
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Segitiga ABC kongruen dengan segitiga PQR
Segitiga ABC sebangun denga segitiga KLM
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By Su Darsih
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