TOLONG BESOK DIKUMPUL NO 10
Matematika
fachrikurniawan
Pertanyaan
TOLONG BESOK DIKUMPUL NO 10
2 Jawaban
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1. Jawaban Sarjin
Luas Lingkaran = πr²
1.54 dm³ = 22/7 x r²
1.54 dm³ x 7 = 22r²
10.78 dm³ = 22r²
r² = 10.78 : 22
r² = 0.49
r = √0.49
r = 0.7 dm
diameter = 2r
= 2 x 0.7
= 1.4 dm = 14 cm -
2. Jawaban fox114
14 cm kalau gak salah