tolong bantuu mencari caranya
Matematika
Smtafiah
Pertanyaan
tolong bantuu mencari caranya
1 Jawaban
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1. Jawaban fadhilaannisa
• 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