Jawabanmu

2014-01-19T16:48:19+07:00
Karena, 30:5=6
jadi. 6*4=24, 6*3=18
makakelilingnya 18+24+30=72
Jawaban paling cerdas!
2014-01-19T17:18:11+07:00
A. ) hipotenusa = a√2
30 = a√2
a=30:√2
a=15√2

b. ) s + s+ hipotenusa = keliling
keliling = 15√2 + 15√2 + 30 = 30 + 30√2
1 5 1