Matematika

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Tolong bantu aku jwb pr ku no.25,26,28,31,32,33 please utk di kumpul bsk
Tolong bantu aku jwb pr ku no.25,26,28,31,32,33 please utk di kumpul bsk

1 Jawaban

  • 25.A
    26. D
    28. gk tau
    31. C
    32.C
    33.D

    25.pjg kawat=4p+4L+4t
    =(4×18)+(4×10)+(4×7)
    =72+40+28
    =140 cm
    26.pjg kawat=4p+4L+4t
    144cm=(4×15)+(4×12)+4t
    144cm=60+48+4t
    -4t=108-144
    -4t= -36
    t= -36÷(-4)=9cm