ukuran panjang
ab= 15 cm
ukuran lebar
ad=8cm
ukuran tinggi
BF = 12 cm
bantu ya kak mau di kumpulin pliss
ab= 15 cm
ukuran lebar
ad=8cm
ukuran tinggi
BF = 12 cm
bantu ya kak mau di kumpulin pliss
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a. BD²=AB²+AD²
BD²=15²+8²
BD²=225+64
BD²=289
BD=17
b. DF²=BD²+BF²
DF²=17²+12²
DF²=289+144
DF²=433
DF=20,8