Jawabanmu

2014-06-02T20:13:22+07:00
Sisi = 100 : 4 = 25 cm
=√ 25² - 7² = √ 625 - 49 = √ 576 = 24 cm
L = 48 . 14 / 2 = 336 cm²
terimakasih Kaka
sama-sama
ka Boleh nanya lagi?
2014-06-02T21:48:52+07:00
K=100 cm
D1=14 cm
L=?

D2=100:4=25
       25²-7²=576
D2=√576=24    24*2=48

L=14*48:2=336
L=336 cm²