Jawaban:
nilai x = 180 - 104= 76/2
x = 38
nilai y = 180 - 76 = 104/ 2
y = 52
nilai 2x + y = 2( 38) + 52 = 128 derajat
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Jawaban:
nilai x = 180 - 104= 76/2
x = 38
nilai y = 180 - 76 = 104/ 2
y = 52
nilai 2x + y = 2( 38) + 52 = 128 derajat