T=lxw 5x10=50m2
F=lxw 6x10=60m2
S=lxw 5x6= 30m2
TSA= 2(T+F+S)
TSA= 2(50+60+30)
TSA= 2x (140)
TSA= 280m2
lxw 5x10=50cm bxh/2
lxw 9x5=45cm 9x8/2
lxw 5x8=40cm =72/2
=36cm2
TSA= 50+45+40+36+36
TSA= 207cm2
d/2=r
8/2=r
4=r
c= pie d
c= 3.14x8
c=25.12mm
lxw
=25.12x12= 301.44mm2
Area of a circle=pie r2
=3.14x4x4
=50.24mm2
TSA = cirlce + circle+ rectangle
TSA= 50.24+50.24+301.44 =
401.92mm2
VOLUME
bxh/2 x h bxh1/2 x h2
3x5/2 v=7.5x8.5=63.75m3
15/2
=7.5m
l . w. h
v= 20 x 8 x 16
v=2560cm3
bxh/2 x h bxh1/2 x h2 3/8= 0.375cm
4x8/2 v= 16x6.5 0.375x104 = 39cm3
32/2 v= 104 cm3
=16cm
d/2 pie.r.r.h
12/2 v= 3.14 x 6 x6 15
6cm v= 1695.6cm3
Sunday, March 11, 2012
Subscribe to:
Post Comments (Atom)
0 comments:
Post a Comment
Note: Only a member of this blog may post a comment.