Jawaban:
1080
Penjelasan dengan langkah-langkah:
lebar = 3a + 7 - 13 = 3a -6
Keliling = 2(p+l)
134 = 2(3a + 7 + 3a -6)
67 = 6a + 1
66 = 6a
a = 11
Panjang taman = 3a+7 = 33+7 = 40
Lebar taman = 3a-6 = 33-6 = 27
Luas taman = pl
= 40x27 = 1080
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Jawaban:
1080
Penjelasan dengan langkah-langkah:
lebar = 3a + 7 - 13 = 3a -6
Keliling = 2(p+l)
134 = 2(3a + 7 + 3a -6)
67 = 6a + 1
66 = 6a
a = 11
Panjang taman = 3a+7 = 33+7 = 40
Lebar taman = 3a-6 = 33-6 = 27
Luas taman = pl
= 40x27 = 1080