October 2018 2 16 Report
Seorang anak membuat layang-layang, diagonalnya yg terpanjang 2setengah kali panjang diagonal yg pendek. Panjang diagonal yg pendek 18cm.
A. Berapa panjang diagonal yg lain?
B. Hitunglah luas layang-layang tersebut!

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