T
The L is 5 and the W is 10.
10 x 5 = 50
F
The L is 6 and the W is 10.
10 x 6 = 60
S
The L is 6 and the W is 5.
5 x 6 = 30
TSA= 2 ( T + F + S )
= 2 ( 50 + 60 + 30 )
= 2 ( 140 )
= 280 m2
Triangular Prism
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgdV_cFvktHccxZj6JUfCzyYbY1NH5OTH_3BEEkOcVvN_NL5A4nYQXACmotR_Z8Z6Z4mvVN2MBFroJNJeYYrfyAjUxwrpOx-4zY2CxWp2c5IMAS8MxkPwcMmt5RA5BWT-oHFsC3BZYt-dg/s320/Pic.+1.png)
b x h divided by 2
8 x 9 divided by 2
72 divided by 2
= 36
l x w
5 x 27 = 135 cm2
36 cm2
+ 36 cm2
= 207 cm2
Cylinder
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi1FbTvrEs6-amdIr8pRAKvMc8gxXwrCwVy1g1f1mrcMXJEl7yIef_KtOItK_quH0QGT1QfJrsAyqNz7fVW6a5aERlso5kHl80c6k1CoRfzfHZfvF3jQhCYTzIjOO96e0vbBatQAYhPcpA/s320/Pic.2.png)
2 (pie r2) + (pie x d x h)
= 2 (3.14 . 4 . 4) + (3.14 x 8 x 12)
= 100.48 + 301.44
= 401.92 mm2
1.
AOB.h
divided by 2 x h
3x5
divided by 2
15
divided by 2 x h
7.5 x 8.5 = 63.75cm3
2.
AOB.h
l x w x h
20 x 8x 16 = 2,560 cm3
3.
AOB.h
bxh
divided by 2 x h
4x8
divided by 2
32
divided by 2 x h
16 x 6.5 = 104 cm3
4.
AOB.h
pie r2 .h
3.14 .6 .6 15 = 1,695.6 cm3
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