Jawabanmu

2014-01-23T17:56:17+07:00
S= r2 +t2
= 100 +576
=676
=26 cm
L = \pi  
r(r+s)
=3,14×10(10+26)
=31,4(36)
=1130,4 cm²
2014-01-23T19:06:53+07:00
S= 2(r+t)
  = 2(
50+ 288 )
  = 676. akar dari 676 = 26 cm
  =26 cm
Luas kerucut =phi x r (r+s)
=3,14×10(10+26)
=3,14 (36)
=113,04 cm²


balas "terimakasih" ya :)