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= √4
x = 2
pnjng tngga = 2,5 m
jrak ujung dng tembok = 1,5 m
dit: tinggi ujung atas dari lantai (x ) ?
maka :
berlaku theorema phytagras :
x² = 2,5² - 1,5²
x² = 6,25 - 2,25
x = √4
x = 4 m
jadi tinggi ujung atas dari lantai = 2 m (B)