Jika luas karton berbentuk lingkaran 3.850 cm2 ,maka diameternya adalah?
Jawaban Terkonfirmasi
L = 3850
1/4.phi.d^2 = 3850
1/4.22/7.d^2 = 3850
11/14.d^2 = 3850
d^2 = 3850:11/14
d^2 = 3850.14/11
d = √4900
d = 70 cm
Jika luas karton berbentuk lingkaran 3.850 cm2 ,maka diameternya adalah?
L = 3850
1/4.phi.d^2 = 3850
1/4.22/7.d^2 = 3850
11/14.d^2 = 3850
d^2 = 3850:11/14
d^2 = 3850.14/11
d = √4900
d = 70 cm