Question

TOLONG BANTUANNYA DONGG KAK
INI AKU KASIH 100POIN + AKU JADIIN JAWABAN TERSERDAS + AKU FOLOW​

Answer 1

Penjelasan dengan langkah-langkah:

3. 6x + 90° + 4x = 180

10x = 90

x = 9

4. < C = 100°

<B = 100

<D + 100 = 180

<D = 80

<D = <A = 80°

5. 12/(12 + 18) = y/(y + 12)

12/30 = y/(y + 12)

2/5 = y/(y + 12)

2(y + 12) = 5y

2y + 24 = 5y

3y = 24

y = 8