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GW KASI 100 POIN
GW KASI 100 POIN
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nih no 18 yah.
18. PT/PQ=PS/PR
=>PT/PS+SQ=PS PR
=>4/(6+SQ)=6/12
=>(6+SQ)x6=4x12
=>36+6SQ=48
=>6SQ=48-36
=>SQ=12:6
=>2 cm