tolong di jawab plizzz

Lp = 2 x ( pxl + pxt + lxt)
     = 2 x ( 17x12 + 17x25 + 12x25)
     = 2 x ( 204 + 425 + 300 )
     = 2 x 929
     = 1858cm²

maaf klo salah :)

Lp = 2 × 12 × 17 + 2 × 25 × 12 + 2 × 17 × 25
=1858