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Luas bangun pada soal no.26
Adalah luas bangun 1/4 lingkaran.
Sehingga rumusnya:
Luas = 1/4 x π x r x r
= 1/4 x 22/7 x 42x42
= 1/4 x22x 6 x42
= 1/4 x5544
= 5544/4
= 1386 cm
Terima kasih