Novi K

11 November 2024 21:29

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Novi K

11 November 2024 21:29

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Jawaban terverifikasi

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Sumber W

Community

Level 72

11 November 2024 21:43

Jawaban terverifikasi

<p>Jawaban :</p><p>PQ = 8 cm</p><p>PS = 6 cm</p><p>AB = &nbsp;4 cm</p><p>&nbsp;</p><p>1. AD/PS = AB/PQ</p><p>&nbsp; &nbsp; AD/6 = 4/8</p><p>&nbsp; &nbsp; AD/6 = 1/2</p><p>&nbsp; &nbsp; AD = 6/2&nbsp;</p><p>&nbsp; &nbsp; AD =<strong> 3 cm</strong></p><p>&nbsp;</p><p>2. Mencari panjang AC</p><p>&nbsp; &nbsp; &nbsp;Mencari panjang AC kita bisa gunakan Pythagoras</p><p>&nbsp; &nbsp; &nbsp;AC = √(AB<sup>2</sup> + BC<sup>2</sup>)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= √(4<sup>2</sup> + 3<sup>2</sup>)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= √(16 + 9)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= √25</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=<strong> 5 cm</strong></p><p>3. Luas PQRS dan Luas ABCD</p><p>&nbsp; &nbsp; &nbsp;L. PQRS = PQ x PS</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 8 x 6</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =<strong> 48 cm<sup>2</sup></strong></p><p>&nbsp;</p><p>&nbsp; &nbsp; &nbsp;L. ABCD = AB x AD</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 4 x 3</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = <strong>12 cm<sup>2</sup> &nbsp;&nbsp;</strong> &nbsp; &nbsp; &nbsp; &nbsp;</p><p>&nbsp;</p>

Jawaban :

PQ = 8 cm

PS = 6 cm

AB =  4 cm

 

1. AD/PS = AB/PQ

    AD/6 = 4/8

    AD/6 = 1/2

    AD = 6/2 

    AD = 3 cm

 

2. Mencari panjang AC

     Mencari panjang AC kita bisa gunakan Pythagoras

     AC = √(AB2 + BC2)

           = √(42 + 32)

           = √(16 + 9)

           = √25

           = 5 cm

3. Luas PQRS dan Luas ABCD

     L. PQRS = PQ x PS

                      = 8 x 6

                      = 48 cm2

 

     L. ABCD = AB x AD

                      = 4 x 3

                      = 12 cm2           

 


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