Volume Post

chelese's surface area post

BxH  xH    3x8x5x5      = 127.5
   2                  2                     2     
= 63.75m3

 

lxwxh

20x8x16= 2560cm3

BxH  xH

2     

= 4x8  x 6.5= 104cm3 

    2   

                                Vo= π r2 xH
                              3.14x6x6x15
                          = 1695.6cm3

Natasha's surface area volume

(bxh÷2)xh

5x3=15m =7.5m
7.5x8.5=63.75m<sup>3











AOBxh
lxwxh
8x20x16=2560cm3











(bxh÷2)xh
4x8÷2x6.5
4x8=32÷2=16
16x6.5=104cm3










v=πrxh
v=( 3.14x6x6)x15
v=113.04x15
v=1695.6cm3</sup>

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

Jomel's Surface Area and Volume Post

Volume:

Triangular prism:
b x h x h divided by 2
5 x 3 x 8.5 divided by 2
15 x 8.5 divided by 2
7.5 x 8.5=
63.75m³

rectangular prism:
l x w x h
20 x 8 x 16=
2560cm³

right triangular prism:
b x h x h divided by 2
4 x 8 x 6.5 divided by 2
32 x 6.5 divided by 2
16 x 6.5
104cm³

cylinder:
r=d divided by 2
12 divided by 2
6cm
pi x r x r h
3.14 x 6 x 6 x 15
3.14 x 36 x 15
1695.6cm³

Sarah's Surface Area and Volume Post

 

Here is a LINK you can that will help you understand about finding the area of a rectangular prism, triangular prism, and cylinder.

 ~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.

Carlo's Surface Area and Volume Post

T=10 x 5= 50 =2 (T+F+S)

F=5 x 6= 30 = 2(50+30+60)

S=10 x 6= 60 = (140 m²⁾

TSA= 280 m²

L x W

10 x 5= 50

9 x 5=45

8 x 5= 40

B x H

-------

÷2

9 x 8 = 72 ÷ 2 = 36m²

9 x 8 = 72 ÷ 2 = 36m²

=2 (T+F+S)

=2(50+45+40+36+36)

=207m²

r= d ÷ 2 Circumference L x W

r=8 ÷ 2 c= π d 25.12 x 12= 301.44cm²

r=4cm c= 3.14 x 8

c= 25.12m²

A= πr TSA = circle+circle+rectangle

A=3.14 x4 x4 TSA =50.24+50.24+301.44

A=50.24 cm^{2 TSA= 404.92} cm²

AOB. h

b.h.h

-----

2

(5.3)8.5

--------

2

(15)8.5

--------

2

7.5 . 8.5=63.75cm³

l.w.h

16x8x20=2,560cm³

20x8x16=2,560cm³

8x16x20=2,560cm³

B.h.h

------

2

11. 8 . 6.5

-----------

2

208

------

2

104

-----

8

13 . 3= 39cm³

d=r

2

12=r

-----

2

6=r

v= (3.14 . 6 . 6) 15

= 113.04 . 15

= 1,695.6cm³