Rezian F

12 Oktober 2024 05:58

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Rezian F

12 Oktober 2024 05:58

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Sumber W

Community

12 Oktober 2024 08:47

Jawaban terverifikasi

<p>Ok mari kita bahas ....</p><p>a. &nbsp; x<sup>2</sup> = y<sup>2</sup> + z<sup>2</sup></p><p>&nbsp; &nbsp; &nbsp; &nbsp;x = √(y<sup>2</sup> + z<sup>2</sup>)</p><p>&nbsp; &nbsp; &nbsp; &nbsp;y<sup>2</sup> = x<sup>2</sup> - z<sup>2</sup></p><p>&nbsp; &nbsp; &nbsp; &nbsp;y = √(x<sup>2</sup> - z<sup>2</sup>)</p><p>&nbsp; &nbsp; &nbsp; &nbsp;z<sup>2</sup> = x<sup>2</sup> - y<sup>2</sup></p><p>&nbsp; &nbsp; &nbsp; &nbsp;z = √(x<sup>2</sup> - y<sup>2</sup>)</p><p>&nbsp;</p><p>2. AB = 4 cm dan AC = 3 cm</p><p>&nbsp; &nbsp; &nbsp;BC<sup>2</sup> = AB<sup>2</sup> + AC<sup>2</sup></p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 4<sup>2</sup> + 3<sup>2</sup></p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 16 + 9</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 25</p><p>&nbsp; &nbsp; &nbsp; BC = √25</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 5 cm</p><p>&nbsp; &nbsp; &nbsp; Jadi, panjang BC adalah 5 cm</p><p>&nbsp;</p><p>3. PQ = 16 cm dan QR = 12 cm</p><p>&nbsp; &nbsp; &nbsp;PR<sup>2</sup> = PQ<sup>2</sup> + QR<sup>2</sup></p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 16<sup>2</sup> + 12<sup>2</sup></p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 256 + 144</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 400</p><p>&nbsp; &nbsp; &nbsp; &nbsp; PR = √400</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 20</p><p>&nbsp; &nbsp; &nbsp; &nbsp; Jadi, panjang PR adalah 20 cm</p>

Ok mari kita bahas ....

a.   x2 = y2 + z2

       x = √(y2 + z2)

       y2 = x2 - z2

       y = √(x2 - z2)

       z2 = x2 - y2

       z = √(x2 - y2)

 

2. AB = 4 cm dan AC = 3 cm

     BC2 = AB2 + AC2

              = 42 + 32

              = 16 + 9

              = 25

      BC = √25

             = 5 cm

      Jadi, panjang BC adalah 5 cm

 

3. PQ = 16 cm dan QR = 12 cm

     PR2 = PQ2 + QR2

              = 162 + 122

              = 256 + 144

              = 400

        PR = √400

               = 20

        Jadi, panjang PR adalah 20 cm


Rezian F

13 Oktober 2024 02:54

makasih ya ini bener kan

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Dokoip A

12 Oktober 2024 07:29

Jawaban terverifikasi

<p>&nbsp;y²+z²=x²<br>&nbsp;</p><p>&nbsp;3²+4²= 16+9=25, bc √25= 5cm</p><p><br>&nbsp;√(256+144)=√400=20cm</p>

 y²+z²=x²
 

 3²+4²= 16+9=25, bc √25= 5cm


 √(256+144)=√400=20cm


Rezian F

13 Oktober 2024 02:54

ini nomor berapa y

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