Question

Berapa jari-jari bola yg luad permukaan 1.256 cm pangkat 2
please jawab ya ... mohon banget

Answer 1

4x 3,14 x r^2 = 1256
3,14 x r^2 = 314
r^2 = 100
r = 10

Answer 2

Luas bola  = 4  r²
1.256 = 4 x 3,14 x r²
1.256 = 12,56 x r²
1.256 / 12,56 = r²
100 = r²
r = 10