Rectangular Prism
l x w
T =
2( 5x10)
2(50)
100m2
S =
2( 5x6)
2( 30)
60m2
F =
2(6x10)
2( 60)
120m2
TSA = 100m2 + 60m2 + 120m2
= 280m2
Triangular Prism
l x w
5 x 10 = 50cm2
5 x 9 = 45cm2
5 x 8 = 40cm2
b x h
2
= 8 x 9
2
= 72
2
= 36cm2
TSA = 45cm2 + 40cm2 + 50cm2
= 207cm2
Cylinder
r = _d_
2
r = __8__
2
r = 4mm2
Volume: Triangular prism
b x h . h
2
3 x 5 . 6.5
2
15 . 6.5
2
7.5 . 8.5
= 63.75m3
Rectangular prism
l . w . h
20 . 8 . 16
= 2560cm3
Triangular prism with fraction
3 = 0.375
8
b x h . h
2
4 x 8 . 6.5
2
32 . 6.5
2
16 . 6.5
= 104 cm3
104 x 0.375
= 39cm3
Cylinder
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