Kak yang benar yg mana 66 cm apa 47 cm

<p>Jawabannya :</p><p>Keliling = 47 cm</p><p>&nbsp;</p><p>Penjelasan :</p><p>Keliling = Keliling 3/4 lingkaran + 2 x jari-jari</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= (3/4 x 2 x 𝞹 x r) + (2 x r)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= (3/2 x 𝞹 x r) + (2 x r)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= (3/2 x 22/7 x 7) + (2 x 7)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 33 + 14</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 47 cm</p>