Question

tolong yaaaa
dengan materi kebangunan segitiga ​

Answer 1

Penjelasan dengan langkah-langkah:

nilai a

6/(6 + 4) = a/15

6 x 15 = 10a

10a = 90

a = 90 : 10

a = 9

nilai b

6/(6 + 4) = 12/(12 + b)

6(12 + b) = 12 x 10

72 + 6b = 120

6b = 120 - 72

6b = 48

b = 48 : 6

b = 8