Jawaban:
k= 2.phi.r
22=2. 3,14 .r
r= 22/6,28
r=3.503
d=2xr
d=2. 3,503
d= 7,006
Kelilingseyengah = 7,00+( 22/2) = 18cm
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Jawaban:
k= 2.phi.r
22=2. 3,14 .r
r= 22/6,28
r=3.503
d=2xr
d=2. 3,503
d= 7,006
Kelilingseyengah = 7,00+( 22/2) = 18cm