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Maaf yang barusan salah,

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semoga bermanfaat

Gambar Jawaban

Pembahasan :

Busur = frac{90}{360} × 2 × π × r

= frac{90}{360} × 2 × frac{22}{7} × 14

= 0,25 × 2 × 22 × 2

= 0,5 × 44

= 22 cm

Menggunakan pythagoras

Tali busur  = √14² + 14²

= √196 + 196

= √392

= 19,8

Jadi,

Keliling tembereng = Busur + Tali Busur

= 22 + 19,8 = 41,8 cm

Mata pelajaran : Matematika

Kelas : VIII ( 8 )

Materi : Lingkaran

Kata kunci : temberang

Kode soal : 2