Jawabanmu

Jawaban paling cerdas!
2014-06-10T18:28:15+07:00
Sisi= √ 4² + 3²
=√ 16 + 9
=√ 25
= 5

K = 4s
= 4 . 5 = 20cm
1 5 1
2014-06-10T18:28:31+07:00