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pnjng= 22+ x
lebar= x
kling = 2( 22+x+x)
60= 2(22+2x)
60= 44+2x
60-44=2x
16=2x
x=8
jdi lebarny 8
pnjnnya 22+8= 30
luas= 8 . 30= 240cm^2
sukses