tolong yaaa belajar buat UN, makasih

CDE = CBD + ACD
8x - 11 = (180 - (9x + 25)) + 38
8x - 11 = 155 - 9x + 38
17x = 204
x = 12

CBD = 180 - (9x + 25)
CBD = 180 - (9.12 + 25)
CBD = 180 - (108 + 25)
CBD = 180 - 133
CBD = 47 (B)

jawabannya 47°

smoga terbantu.

good luck
:-)
❤
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