Jawab:
2. lp = 4 x x r xr = 4 x x 7 x 7 = 2156cm²
3.lp = 4 x x r x r = 4x x 7 x 7 = 2156cm²
4.lp = 4 x r x r = 4 x 3,14 x 15 x 15 = 2826cm²
5 R = 154 = 4 x 22/7 x r²
154= 88/7
= 88/7 x 154 = 1936
=
R = 44cm
D= 2 x r
D= 2 x 44 = 88cm
maaf kalo salah ;̵)̴
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Jawab:
2. lp = 4 x x r xr = 4 x x 7 x 7 = 2156cm²
3.lp = 4 x x r x r = 4x x 7 x 7 = 2156cm²
4.lp = 4 x r x r = 4 x 3,14 x 15 x 15 = 2826cm²
5 R = 154 = 4 x 22/7 x r²
154= 88/7
= 88/7 x 154 = 1936
=
R = 44cm
D= 2 x r
D= 2 x 44 = 88cm
maaf kalo salah ;̵)̴