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Verified answer
Kelas 8 MatematikaBab Bangun Datar
Panjang diagonal = √(6² + 8²)
2 . r = √(36 + 64)
r = 1/2 . √100
r = 1/2 . 10
r = 5 cm
Luas daerah yang diarsir
= luas lingkaran - luas persegi panjang
= (π . r . r) - (p . l)
= (3,14 . 5 . 5) - (8 . 6)
= 78,5 - 48
= 30,5 cm²