+0  
 
0
826
1
avatar
1/2 (7.8+9.6)x6.1
 Nov 6, 2013
 #1
avatar+118723 
0
1/2 x (7.8+9.6)x6.1

Just put it straight into you calculator - don't forget the * sign.
 Nov 6, 2013

1 Online Users