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semoga benar ya :)
PQ = akar 17^2 - 8^2
PQ = akar 289 - 64
PQ = akar 225
PQ = 15 cm
SQ = 6 cm (karena triple phytagoras dari 8 dan 10)
PS = PQ - SQ
PS = 15 - 6
PS = 9 cm
13.
BC = 40 x akar 2
BC = 40 akar 2
ter-cerdas dungs wkwkw