Home Tak Berkategori , Diketahui trapesium, dan trapesium, adalah kongruen. Maka panjang, adalah ….

, Diketahui trapesium, dan trapesium, adalah kongruen. Maka panjang, adalah ….

Juni 13, 2022 comments off

soal yang ada di artikel ini sering kita temukan pada tugas buku sekolah yang diberikab oleh bapak/ibu guru. sering kali kita mengingatnya waktu disekolah tetapi setelah di rumah kita lupa mengerjakan karna kesulitan dengan soal-soalnya.

kalau kita kerjakan sendiri sering sekali tidak menemukan jawaban yang tepat. lalu kita mencarinya diinternet sebagai cara cepatnya. nah, jawabanbukupaket.com saat ini membuat jawaban yang lebih ringkas dan mudah dipahami.

kunci jawaban ini dapat dijadikan media referensi dan sumber belajar siswa, guru dan orangtua di rumah yang ikut membantu mengerjaknya. baik langsung saja kita lihat pembahasan soal dan caranya beserta penjelasanya dibawah ini

PERTANYAAN :

 

Diketahui trapesium KLMN dan trapesium PQRS adalah kongruen. Maka panjang PQ adalah ….

 

- Daftar Isi -

Jawaban

jawaban yang benar adalah C.


Pembahasan

Di dalam teorema pythagoras mengatakan bahwa kuadrat panjang sisi miring suatu segitiga siku-siku sama dengan jumlah kuadrat panjang sisi-sisi lainnya.

Syarat bangun datar saling kongruen:

  • Sudut-sudut yang bersesuaian pada bangun datar sama besar
  • Sisi-sisi yang bersesuaian pada bangun datar sama panjang

Karena trapesium KLMN dan trapesium PQRS kongruen maka dari gambar sisi-sisi yang bersesuaian adalah:

KL equals SP comma space LM equals PQ comma space MN equals QR comma space dan space KN equals SR  

Sehingga

 KL equals SP equals 22 space cm KN equals SR equals 12 space cm MN equals QR equals 13 space cm  

Perhatikan gambar trapesium KLMN berikut:

 

Untuk menghitung panjang begin mathsize 14px style L M end style dapat menggunakan Teorema Pythagoras dan didapatkan:

table attributes columnalign right center left columnspacing 0px end attributes row cell LM squared end cell equals cell MP squared plus PL squared end cell row cell LM squared end cell equals cell 12 squared plus 9 squared end cell row cell LM squared end cell equals cell 144 plus 81 end cell row cell LM squared end cell equals 225 row LM equals cell plus-or-minus square root of 225 end cell row LM equals cell plus-or-minus 15 end cell end table  

Karena ini panjang tidak mungkin negatif, maka panjang LM equals 15 space cm.

Panjang PQ didapatkan:

PQ equals LM equals 15 space cm

Dengan demikian,  panjang PQ adalah 15 space cm.

Oleh karena itu, jawaban yang benar adalah C.


Demikian penjelasan yang dapat jawabanbukupaket.com berikan kepada para pembaca dan pengunjung semua. alangkah baiknya siswa, guru, ataupun orangtua mengoreksi ulang jawaban nya. jika dirasa sudah benar siswa menyalin dibuku sekolah, kemudian mengumpulkan tugasnya dengan guru

CATATAN :

soal yang berasal dari situs ini bersumber dari berbagai macam buku dan diiternet. admin merangkumnya menjadi satu agar lebih rapih dan enak dibaca. insyallah jawaban ini akurat. semoga bermanfaat dan mendapatkan nilai bagus hehe.

Guru MTK

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