Jawaban:
maaf kalo salah
Penjelasan dengan langkah-langkah:
2x+1+x+2+11=44
3x+14=44
3x=44-14
3x=30
x=10
ST=x+2=10+2=12 cm
K = s + s + s
44 = 11 + (2x + 1) + (x + 2)
44 = 2x + x + 11 + 1 + 2
44 = 3x + 14
44 - 14 = 3x
30 = 3x
30 : 3 = x
10 = x
ST = x + 2
= 10 + 2
= 12
jawaban = (C)
semoga membantu ^^
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Jawaban:
maaf kalo salah
Penjelasan dengan langkah-langkah:
2x+1+x+2+11=44
3x+14=44
3x=44-14
3x=30
x=10
ST=x+2=10+2=12 cm
K = s + s + s
44 = 11 + (2x + 1) + (x + 2)
44 = 2x + x + 11 + 1 + 2
44 = 3x + 14
44 - 14 = 3x
30 = 3x
30 : 3 = x
10 = x
ST = x + 2
= 10 + 2
= 12
jawaban = (C)
semoga membantu ^^