Jawabanmu

2014-04-06T19:27:24+07:00
26-14 = 12 cm
12 : 2 = 6 cm 
100-36 = t² , t = 8 cm 
Lbangun = 1/2 x  \pi x 7 x 7 + ( 14 + 26 / 2 ) 
= 77 + 20 = 97 
maaf kalau salah :(