Kunci Jawaban Matematika Kelas 8 SMP Ayo Kita Berlatih 7.3 Halaman 94, 95 Esai Nomor 6-10 Terbaru Lengkap

α/360^o = 1/4

α = 1/4 x 360^o

α = 90^o

jika r = 15 maka

α/360^o x r₂² = 5 x 5

α/360^o x 15 x 15 = 5 x 5

α/360^o = 5x5 / 15x15

α/360^o = 1/9

α = 1/9 x 360^o

α = 40^o