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Published byJeremy Hart Modified over 8 years ago

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Areas involving rectangles and triangles For each rectangle you must be able to spot the length and width For each triangle you must be able to spot the base and the height © C Kearton September 2005

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10 x 3 10cm 3cm 6cm 4cm = 30 4 x 6 = 24 Total = 54 cm 2 A = B =

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4 x 5 4cm 5cm 12cm 3cm = 20 3 x 12 = 36 Total = 56 cm 2 A = B = 7cm

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8 x 3 3cm 8cm 5cm 3cm = 24 3 x 5 = 15 Total = 39 cm 2 A = B = 8cm

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13 x 3 3cm 13cm 9cm 4cm = 39 4 x 6 = 24 Total = 63 cm 2 A = B = 9cm 6cm

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2 x 12 2cm 4cm 3cm = 24 3 x 4 = 12 Total = 36 cm 2 A = B = 8cm 12cm 5cm

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1 x 8 1cm 3cm 4cm = 8 4 x 3 2 = 6 Total = 14 cm 2 A = B = 5cm 8cm 5cm

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11 x 7 11cm = 77 5 x 7 2 = 17.5 Total = 94.5 cm 2 A = B = 5cm 7cm 16cm AB

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