Penjelasan dengan langkah-langkah:
2. QR² = PR² + PQ²
m² = k² + l²
3. AB² = AC² + BC²
= 16² + 12²
= 256 + 144
= 400
AB = 20 cm
4. EF² = DF² - DE²
= 17² - 15²
= 289 - 225
= 64
EF = 8 cm
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Penjelasan dengan langkah-langkah:
2. QR² = PR² + PQ²
m² = k² + l²
3. AB² = AC² + BC²
= 16² + 12²
= 256 + 144
= 400
AB = 20 cm
4. EF² = DF² - DE²
= 17² - 15²
= 289 - 225
= 64
EF = 8 cm