©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 Press Ctrl-A ©G Dear 2009 – Not to be sold/Free to use

Conversions Review of Area (1/9) mm2 cm2 m2 ha2 km2 ÷ 100 ÷ 10 000 ÷ 1 0 000 mm2 cm2 m2 ha2 km2 x 100 x 10 000 x 10 000 x 1 0 000 End of Slide

Square Review of Area (2/9) A = s2 = 6.32 = 39.69 m2 6.3 m End of Slide

Rectangle Review of Area (3/9) A = L x B = 6.4 x 3.3 = 21.12 m2 3.3 m End of Slide

Triangle Review of Area (4/9) A = 0.5 x B x H = 0.5 x 5.3 x 6.4 6.4 m = 16.96 m2 5.3 m End of Slide

Parallelogram Review of Area (5/9) A = B x H = 5.3 x 6.4 = 33.92 m2 End of Slide

Rhombus Review of Area (6/9) A = 0.5 x D x d = 0.5 x 6.4 x 3.3 End of Slide

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 End of Slide

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 = 9 + 24 Press = 33 m2 End of Slide

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 = 60 - 10 = 50 m2 End of Slide