18 Tiny Deaths: The Untold Story of Frances Glessner Lee and the Invention of Modern Forensics

18 Tiny Deaths: The Untold Story of Frances Glessner Lee and the Invention of Modern Forensics

Matematika BANTU JAWAB BANTU JAWAB​

BANTU JAWAB BANTU JAWAB​

Jawab:

(5x)° + (4x + 9)° = 180°

9x + 9 = 180

9x = 171

x = 19

Pelurus sudut PQS adalah sudut SQR (karena sudut PQS dan SQR saling berpelurus dan jumlah sudut PQS + SQR = 180°)

sudut SQR = (4x + 9)° = 4(19) + 9 = 76 + 9 = 85°

Jawaban C

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