MUHAMMAD F

18 Oktober 2023 07:51

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MUHAMMAD F

18 Oktober 2023 07:51

Pertanyaan

Luas bangun pada gambar soal nomor 9 adalah......cm

Luas bangun pada gambar soal nomor 9 adalah......cm

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Sumber W

Community

18 Oktober 2023 10:53

Jawaban terverifikasi

<p>9. Diamater (d) = 21 cm</p><p>&nbsp; &nbsp; &nbsp;Keliling = Keliling 3/4 lingkaran + d</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = (3/4 x ๐žน x d) + d</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = (3/4 x 22/7 x 21) + 21</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 49,5 + 21</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 70,5</p><p>&nbsp; &nbsp; &nbsp;Jawaban : A</p><p>&nbsp;</p><p>10. Luas = 3/4 x 1/4 x ๐žน x d<sup>2</sup></p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 3/16 x ๐žน x d<sup>2</sup></p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 3/16 x 22/7 x 21 x 21</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 259,875 cm<sup>2</sup></p><p>&nbsp; &nbsp; Jawaban : B</p>

9. Diamater (d) = 21 cm

     Keliling = Keliling 3/4 lingkaran + d

                      = (3/4 x ๐žน x d) + d

                      = (3/4 x 22/7 x 21) + 21

                      = 49,5 + 21

                      = 70,5

     Jawaban : A

 

10. Luas = 3/4 x 1/4 x ๐žน x d2

                  = 3/16 x ๐žน x d2

                  = 3/16 x 22/7 x 21 x 21

                  = 259,875 cm2

    Jawaban : B


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Nanda R

Community

18 Oktober 2023 08:04

<p>r = 21 cm.</p>

r = 21 cm.

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