50 Things To See In The Sky

50 Things To See In The Sky

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Matematika gimana ya ini kakak,bantu dong​

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gimana ya ini kakak,bantu dong​

Jawaban:

90° = 4x° + x°

90° = 5x°

x = 18°

besar sudut AOB = 4x° = 4(18°) = 72°

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