Berdasarkan gambar di atas, panjang ac+cd=…. cm​

AC² = AB² + BC²

AC² = 12² + 16²

AC² = 144 + 256

AC² = 400

AC = √400

AC = 20 cm

CD² = AC² – AD²

CD² = 20² – 12²

CD² = 400 – 144

CD² = 256

CD = √256

CD = 16 cm

AC + CD = 20 + 16 = 36

Jawabannya B