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H. Janatu

Master Teacher

Mahasiswa/Alumni Universitas Riau

Jawaban terverifikasi

Pembahasan

$begin mathsize 14px style 1. space 90 degree equals straight pi over 2 2. space 135 degree equals fraction numerator 135 degree over denominator 180 degree end fraction straight pi equals 3 over 4 straight pi 3. space fraction numerator 3 straight pi over denominator 4 end fraction equals fraction numerator 3 times 180 degree over denominator 4 end fraction equals 135 degree 4. space 225 degree equals fraction numerator 225 degree over denominator 180 degree end fraction straight pi equals 5 over 4 straight pi 5. space fraction numerator 3 straight pi over denominator 20 end fraction equals fraction numerator 3 times 180 degree over denominator 20 end fraction equals 27 degree 6. space fraction numerator 7 straight pi over denominator 9 end fraction equals fraction numerator 7 times 180 degree over denominator 9 end fraction equals 140 degree 7. space 540 degree equals fraction numerator 540 degree over denominator 180 degree end fraction straight pi equals 3 straight pi 8. space 80 degree equals fraction numerator 80 degree over denominator 180 degree end fraction straight pi equals 4 over 9 straight pi 9. space fraction numerator 3 straight pi over denominator 5 end fraction equals fraction numerator 3 times 180 degree over denominator 5 end fraction equals 108 degree 10. space straight pi over 8 equals fraction numerator 180 degree over denominator 8 end fraction equals 22 comma 5 degree end style$