100 Extraordinary Stories for Courageous Girls: Unforgettable Tales of Women of Faith

100 Extraordinary Stories for Courageous Girls: Unforgettable Tales of Women of Faith

Matematika . tolong bantuan nya kak :)terimakasih​

. tolong bantuan nya kak :)terimakasih​

Penjelasan dengan langkah-langkah:

CD/CA = DE/AB

4/(4+4) = DE/6

4/8 = DE/6

8 x DE = 4 x 6

DE = 24/8

DE = 3

AC = AD + CD

AC = 4 + 4

AC = 8

DE = CD/AC x AB

DE = 4/8 x 6

DE = 3

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