Jawabanmu

2014-05-29T19:58:07+07:00
Nomor 33 gatau tp nomor 34 itu :
ab = 16
bc =17
ce=10
ed=10
da=17
dan kalau dijumlahin semuanya 70
2014-05-29T21:50:29+07:00
34 . OD= 8 cm
CE = ED = 10 cm
AD = BC = 17cm
OE^2 = 10^2 – 8^2 = 100 – 64 = 36 =  \sqrt{36}  = 6 DC = AB = 8 + 8 = 16cm
BC = AD = 17cm
OA^2 =  17^2 – 8^2 = 289 – 64 = 225 =  \sqrt{225}  = 15
Keliling= AB + BC + CE + ED + DA
= 16 + 17 + 10 + 10 +17
= 70 cm