Jawabanmu

2014-05-31T19:22:41+07:00
Lp = kelilig alas × tinggi
= 36 × 10
= 360 cm2

semoga bermanfaat :)
Jawaban paling cerdas!
2014-05-31T19:34:21+07:00
Alas pake pitagoras  \sqrt{ 9^{2} +  12^{2}  }  =  \sqrt{225} = 15
tinggi limas = 10 cm
L permuk = K alas x tinggi + 2 x L alas
L = (9+12+13) x 10 + 2 ( \frac{9 x 12}{2} = 54)
L = 340 + 108 = 412 cm2
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