Bantu jawab donh, besok harus dikumpul, yg jago MTK, bantu dong
a)
bc = √ab²+ac²
bc = √9²+12²
bc = √81+144
bc = √225
bc = 15 cm
b)
bc = √ac²-ab²
bc = √10²-8²
bc = √100-64
bc = √36
bc = 6 cm
c)
qr = √pq²-pr²
qr = √20²-12²
qr = √400-144
qr = √256
qr = 16 cm
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