Erina E

07 Oktober 2023 12:35

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Erina E

07 Oktober 2023 12:35

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Hitunglah keliling di bawah ini!

Hitunglah keliling di bawah ini!

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Sumber W

Community

07 Oktober 2023 14:40

Jawaban terverifikasi

<ul><li><strong>Keliling A</strong></li></ul><p>&nbsp; &nbsp; &nbsp; d = 14 cm</p><p>&nbsp; &nbsp; &nbsp; r = 7 cm</p><p>&nbsp; &nbsp; &nbsp; K = Keliling 1/2 lingkaran + diameter</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= (1/2 x 2 x 𝞹 x r) + diameter</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= (𝞹 x r) + d</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= (22/7 x 7) + 14</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 22+ 14</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 36 cm</p><ul><li><strong>Keliling B</strong></li></ul><p>&nbsp; &nbsp; &nbsp; d = 28 cm</p><p>&nbsp; &nbsp; &nbsp; r = 14 cm</p><p>&nbsp; &nbsp; &nbsp; K = Keliling 1/2 lingkaran + diameter</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = (1/2 x 2 x 𝞹 x r) + diameter</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = (𝞹 x r) + d</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = (22/7 x 14) + 28</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 44 + 28</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 72 cm</p><ul><li><strong>Keliling Bangun&nbsp;</strong></li></ul><p><strong>&nbsp; &nbsp; &nbsp; &nbsp;</strong>K = Keliling A + Keliling B</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 36 cm + 72 cm</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 108 cm</p>

  • Keliling A

      d = 14 cm

      r = 7 cm

      K = Keliling 1/2 lingkaran + diameter

                 = (1/2 x 2 x 𝞹 x r) + diameter

                 = (𝞹 x r) + d

                 = (22/7 x 7) + 14

                 = 22+ 14

                 = 36 cm

  • Keliling B

      d = 28 cm

      r = 14 cm

      K = Keliling 1/2 lingkaran + diameter

          = (1/2 x 2 x 𝞹 x r) + diameter

          = (𝞹 x r) + d

          = (22/7 x 14) + 28

          = 44 + 28

          = 72 cm

  • Keliling Bangun 

       K = Keliling A + Keliling B

           = 36 cm + 72 cm

           = 108 cm


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Nanda R

Community

07 Oktober 2023 12:51

<p>kelilingnya adalah 66 cm.</p>

kelilingnya adalah 66 cm.

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