Wednesday, March 21, 2012

Jamodin's Surface Area and Volume Post

Surface Area
Rectangular Prism
T= 50 5x10
F= 60 6x10
S= 30 6x5
TSA= 2(T+F+S)
TSA= 2(50+60+30)
TSA= 2(140)
TSA= 280cm2

Triangular Prism
lxw
5x10= 50
5x9= 45
5x8= 40

bxh
2
9x8= 36
2
9x8= 36
2
TSA= 50+45+40+36+36
TSA= 207cm2

Cylinder
SA= 2(3.14x42)+(3.14x8x12)
SA= 100.48+301.44
SA= 401.92cm2

Volume
Triangular Prism
v= 5x3 x 8.5
2
v= 7.5x8.5
v= 63.75cm3












Rectangular Prism
v= 20x8x16
v= 2560cm3











Triangular Prism 3/8 full
v= 4x8 x 6.5
2
v= 14x6.5
v= 91x0.375
v= 34.125cm3












Cylinder
v= 3.14(62x15)
v= 3.14(540)
v= 1695.6cm3

No comments:

Post a Comment