Matematika

Pertanyaan

tolong bantuu mencari caranya
tolong bantuu mencari caranya

1 Jawaban

  • • Panjang CD
    DB = √AB^2 + AD^2
    DB = √8^2 + 6^2
    DB = √100
    DB = 10
    CD = √DB^2 + CB^2
    CD = √10^2 + 24^2
    CD = √676
    CD = 26

    • Keliling = 8+6+24+26 = 64

    • Luas
    L1 = a x t /2
    L1 = 6 x 8 /2 = 24
    L2 = 10 x 24/2 = 120
    Ltotal = 24 + 120 = 144