Jawabanmu

2014-04-10T16:30:45+07:00
KLayang2= 2.(a+b)
               =2.(12+12)
               =2.24
              =48
Jawaban paling cerdas!
2014-04-10T16:46:12+07:00
√13² - √5² = √169 - 25
= √144
= 12

(2 x 12) + (2 x 5)
24 + 10
= 34 cm
1 5 1