Jika luas juring AOB adalah 50 cm2,maka tentukan: a.Luas juring BOC b.Luas lingkaran O
AriqhoBani
A.120=50 60=25 b.120-50 360-x 50 x 3= 150
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ellyafaamanah
A. Luas juring AOB = 50 cm² Luas juring BOC = x sudut AOB = L.juring AOB sudut BOC = L. juring BOC 120=50 60= x 120x=60 x 50 x =25 b. Luas lingkaran = 2 (Luas juring AOB + BOC) = 2 (50+25) = 150 cm²
60=25
b.120-50
360-x
50 x 3= 150
Luas juring BOC = x
sudut AOB = L.juring AOB
sudut BOC = L. juring BOC
120=50
60= x
120x=60 x 50
x =25
b. Luas lingkaran = 2 (Luas juring AOB + BOC)
= 2 (50+25)
= 150 cm²