180 Days of Spelling and Word Study: Grade 4 - Daily Spelling Workbook for Classroom and Home,

180 Days of Spelling and Word Study: Grade 4 - Daily Spelling Workbook for Classroom and Home,

Matematika tolong bantu jawab ya kak soalnya besok sudah mau dikumpulkan ke sekolahan.​

tolong bantu jawab ya kak soalnya besok sudah mau dikumpulkan ke sekolahan.​

Jawaban:

C. 16,8 cm

Langkah - langkah:

DE : DA = 3 : 5

EA = 5 - 3 = 2 cm

Misal EF = x

[tex] \sf \: x = \frac{(20 \times 3) + (2 \times 12)}{5} \\ \\ \sf \: x = \frac{60 + 24}{5} = \frac{84}{5} = 16.8 \: cm[/tex]

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