Jawab soal saya ko ....
Jawaban:
C. 104
Penjelasan dengan langkah-langkah:
diketahui : L ABCD = 288 cm²
AB = 36 cm
BF = 18 cm
ditanya : keliling = ... ?
dijawab :
L = AD × BF
288 = AD × 18
AD = 288/18
AD = 16
K = 2(AB + AD)
= 2(36 + 16)
= 2(52)
= 104 cm
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