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l persegi 2 = 9*11 = 99 cm persegi + ----------------------
luas seluruh nya = 159 cm persegi
Lpp2= p x l = 9x 5= 45
Lkeduanya = L1 + L2 = 114 + 45 = 159
atau
sprti yg kau garis
Lpp1 = 9 x ( 5+6)=9x11=99
Lpp2 = (19 - 9)x 6 = 10 x 6 = 60
Lke2x = 99 + 60 = 159
semoga tidak keliru y, mohon ditelaah kembali.