Panjang BC adalah….. cm​

Jawaban:

BC = 15 cm

Penjelasan dengan langkah-langkah:

BF = √AF² + AB²

= √(16)² + (12)²

= √256 + 144

= √400

BF = 20 cm

CF = √DF² + CD²

= √(24)² + (7)²

= √576 + 49

= √625

CF = 25 cm

BC = √CF² – BF²

= √(25)² – (20)²

= √625 – 400

= √225

BC = 15 cm