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Pertanyaan

Pada persegi panjang ABCD diketahui AB = u dan AD = v . Hasil dari AB + AC + BC + BD = ....

Pada persegi panjang  diketahui  dan . Hasil dari ....

  1. begin mathsize 14px style stack text u end text with rightwards arrow on top plus stack text v end text with rightwards arrow on top end style 

  2. begin mathsize 14px style stack text u end text with rightwards arrow on top plus 3 stack text v end text with rightwards arrow on top end style 

  3. begin mathsize 14px style 2 stack text u end text with rightwards arrow on top plus 2 stack text v end text with rightwards arrow on top end style 

  4. begin mathsize 14px style 2 stack text u end text with rightwards arrow on top plus 3 stack text v end text with rightwards arrow on top end style 

  5. begin mathsize 14px style 3 stack text u end text with rightwards arrow on top plus 3 stack text v end text with rightwards arrow on top end style 

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D. Rajib

Master Teacher

Mahasiswa/Alumni Universitas Muhammadiyah Malang

Jawaban terverifikasi

Jawaban

jawaban yang benar adalah B.

jawaban yang benar adalah B.

Pembahasan

Perhatikan persegi panjang berikut ini. Dari gambar di atas dapat diketahui bahwa: Jika dan , maka diperoleh perhitungan sebagai berikut. Dengan demikian hasil dari adalah . Oleh karena itu, jawaban yang benar adalah B.

Perhatikan persegi panjang berikut ini.

Dari gambar di atas dapat diketahui bahwa:

begin mathsize 14px style stack text AC end text with rightwards arrow on top equals stack text AB end text with rightwards arrow on top plus stack text BC end text with rightwards arrow on top stack text AD end text with rightwards arrow on top equals stack text BC end text with rightwards arrow on top stack text BD end text with rightwards arrow on top equals stack text BA end text with rightwards arrow on top plus stack text AD end text with rightwards arrow on top end style 

Jika begin mathsize 14px style stack text AB end text with rightwards arrow on top equals stack text u end text with rightwards arrow on top end style dan begin mathsize 14px style stack text AD end text with rightwards arrow on top equals stack text v end text with rightwards arrow on top end style, maka diperoleh perhitungan sebagai berikut.

begin mathsize 14px style stack text AB end text with rightwards arrow on top plus stack text AC end text with rightwards arrow on top plus stack text BC end text with rightwards arrow on top plus stack text BD end text with rightwards arrow on top equals stack text AB end text with rightwards arrow on top plus open parentheses stack text AB end text with rightwards arrow on top text + end text stack text BC end text with rightwards arrow on top close parentheses plus stack text BC end text with rightwards arrow on top plus open parentheses stack text BA end text with rightwards arrow on top text + end text stack text AD end text with rightwards arrow on top close parentheses equals stack text AB end text with rightwards arrow on top text + end text stack text AB end text with rightwards arrow on top text + end text stack text AD end text with rightwards arrow on top text + end text stack text AD end text with rightwards arrow on top text + end text stack text BA end text with rightwards arrow on top text + end text stack text AD end text with rightwards arrow on top equals stack text u end text with rightwards arrow on top text + end text stack text u end text with rightwards arrow on top text + end text stack text v end text with rightwards arrow on top text + end text stack text v end text with rightwards arrow on top text + end text open parentheses text-end text stack text u end text with rightwards arrow on top close parentheses plus stack text v end text with rightwards arrow on top equals stack text u end text with rightwards arrow on top text +3 end text stack text v end text with rightwards arrow on top end style 

Dengan demikian hasil dari begin mathsize 14px style stack text AB end text with rightwards arrow on top plus stack text AC end text with rightwards arrow on top plus stack text BC end text with rightwards arrow on top plus stack text BD end text with rightwards arrow on top end style adalah begin mathsize 14px style stack text u end text with rightwards arrow on top text +3 end text stack text v end text with rightwards arrow on top end style.

Oleh karena itu, jawaban yang benar adalah B.

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Jika OA = i + k , OB = j ​ + k , OC = c j ​ + 4 k dan besar ∠ ABC = 6 0 ∘ , maka nilai adalah ....

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