Hitunglah keliling daerah yang diarsir !

<p>d = 85 cm</p><p>𝞹 = 3,14</p><p>&nbsp;</p><p>Keliling = Keliling ¼ Lingkaran + diameter</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= (¼ x 𝞹 x d) + d</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= (¼ x 3,14 x 85) + 85</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 66,725 + 85</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=<strong> 151,725 cm</strong></p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</p>