1. ©G Dear 2009 – Not to be sold/Free to use
General Mathematics
Preliminary
Applications of
Area and Volume
Review of Area
Stage 6 - Year 11
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©G Dear 2009 – Not to be sold/Free to use

2. Conversions Review of Area (1/9) mm2 cm2 m2 ha2 km2 ÷ 100 ÷ 10 000÷
mm2
cm2 m2
ha2
km2
x 100 x x x
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3. Square Review of Area (2/9) A = s2 = 6.32 = 39.69 m2 6.3 m End of
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4. Rectangle Review of Area (3/9) A = L x B = 6.4 x 3.3 = 21.12 m2 3.3 m
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5. Triangle Review of Area (4/9) A = 0.5 x B x H = 0.5 x 5.3 x 6.4
6.4 m
= m2
5.3 m
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6. Parallelogram Review of Area (5/9) A = B x H = 5.3 x 6.4 = 33.92 m2
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7. Rhombus Review of Area (6/9) A = 0.5 x D x d = 0.5 x 6.4 x 3.3
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8. Trapezium Review of Area (7/9) A = 0.5 x (a +b) x h
= 0.5 x (3 + 7) x 4
4 m
= 20 m2
7 m
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9. Compound Areas (Add) Review of Area (8/9) A Triangle = 0.5 x b x h
= 0.5 x 6 x 3
3 m
= 9 m2
A Rectangle = L x B
4 m
= 6 x 4
= 24 m2
6 m
A Total = A Triangle + A Rectangle =
Press
= 33 m2
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10. Compound Areas (Minus)
Review of Area (9/9)
Compound Areas (Minus)
A Large = L x B
= 10 x 6
= 60 m2
2 m
A Small = L x B
10 m 5m
= 5 x 2
= 10 m2
A Total = A Large - A Small
6 m =
= 50 m2
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