Tolong dibantu secepatnya
Pitagoras :
BD = √9² + 12²
BD = √81 + 144
BD = √225
BD = 15 cm
AD = √15² + 20²
AD = √225 + 400
AD = √625
AD = 25 cm
#KucingOren
Jawab: AD = 25 cm
Penjelasan dengan langkah-langkah:
AD = √(AB^2 + BD^2)
= √(20^2 + (√(12^2 + 9^2))^2)
= √(400 + (√(144 + 81))^2)
= √(400 + (√225)^2)
= √(400 + 225)
= √625
= 25 cm