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AB =√CF² - FO²
=√17² - 8²
= 15 cm
Terus cari EF = DF
EF = √FO² + EO²
= √8² + 6²
= 10 cm
Jadi kelilingnya bangun tersebut adalah
k = 17+22+15+14+10+10
= c. 88 cm
Thanks ^_^
Kalo ada yg masih ragu bisa di tanyakan ^_^