Jawaban:
L juring2 = L lingkaran1
α/360o πr22 = πr12
90o/360o . r22 = 5/2 . 5/2
r22 = 25/4 . 4
r22 = 25
r2 = 5 cm
d2 = 2 . 5
d2 = 10 cm
Jawaban:
L juring2 = L lingkaran1
α/360o πr22 = πr12
90o/360o . r22 = 5/2 . 5/2
r22 = 25/4 . 4
r22 = 25
r2 = 5 cm
d2 = 2 . 5
d2 = 10 cm
Editor: Annisa Fadilla
Sumber: Kemendikbud