Rectangular Prism:

1.

TSA = LW2 + LA*

TSA = 5 x 6 x 2 + 22 x 10

TSA = 60 + 220

TSA = 280m

^{2}

^{}

*Lateral Area

2.

TSA = (F + S + T) x 2

TSA = (50 + 30 + 60) x 2

TSA = (140) x 2

TSA = 280m

^{2}

Triangular Prism:

1.

TSA = LA + b x h¸ 2 x 2

TSA = 27 x 5 + 9 x 8 ¸ 2 x 2

TSA = 135 + 72 ¸ 2 2 x 2

TSA = 135 + 36 x 2

TSA = 135 + 72

TSA = 207cm

^{2}

2.

TSA = rectangle + rectangle + rectangle + triangle + triangle

TSA = 5x8 + 5x10 + 5x9 + 9x8 ¸ 2 + 9x8 ¸ 2

TSA = 40 + 50 + 45 + 72 ¸ 2 + 72 ¸ 2

TSA = 40 + 50 + 45 + 36 + 36

TSA = 207cm

^{2}^{}

Cylinder:

1.

TSA = 2πr

^{2 }+ πdhTSA = 2 x 3.14 x 4 x 4 + 3.14 x 8 x 12

TSA = 2 x 3.14 x 16 + 3.14 x 96

TSA = 2 x 50.24 + 301.44

TSA = 401.92mm

^{2}TSA = 100.48 + 301.44

2.

TSA = rectangle + circle + circle

TSA = 301.44 + 50.24 + 50.24

TSA = 401.92 mm

^{2}Volume

Triangular Prism:

(b x h/2) x h

(5 x 3/2) x 8.5

(15/2) x 8.5

7.5 x 8.5

63.75m

^{3}

Rectangular Prism:

l x w x h

20 x 8 x 16

160 x 16

2560cm

^{3}

3/8 of the triangular prism:

(b x h/2) x h

(4 x 8/2) x 6.5

(32/2) x 6.5

16 x 6.5

104cm

^{3}

104 divided by 8 = 13

13 x 3 = 39cm

^{3}

Cylinder:

πr

^{2}x h

3.14 x 6 x 6 x 15

3.14 x 36 x 15

113.04 x 15

1695.6cm

^{3}
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