LIHAT SOAL CERITA BILANGAN AKAR KUADRAT BERIKUT :
CONTOH:
2
Doni mempunyai kertas persegi dengan luas adalah 64 cm. Berapakah sisi kertas tersebut?
Jawab:
2
s = L
2 2
s = 64 cm
s = √64 cm = 8 cm
Jadi, sisi kertas tersebut adalah 8 cm.
Kerjakan seperti contoh!
2
1. Berapakah sisi kertas persegi jika luas kertas tersebut 729 cm ?
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2. Andi dan Nina sedang membuat persegi dari kertas wajit dengan masing-masing memiliki 2 2
luas yaitu 144 cm dan 225 cm . Tentukan:
a) Sisi kertas masing-masing
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b) Selisih sisi kertas masing-masing
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2 2
3. Berapakah sisi kayu persegi bila luas kayu tersebut 144 cm + 81 cm ?
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4. Saya memiliki segitiga yang berphytagoras. Ukuran t = √400 cm, s = √625 cm. Tentukan Ukuran s =
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2 2
5. Tentukan sisi kain berbentuk persegi bila luas kain Roni 100 cm - 36 cm ?
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