Y9 Booster Lesson 9. Area and perimeter matchM9.1 Area 6 cm 2 12 cm 2 24 cm 2 12 cm 2 30 cm 2 3 cm 2 5 cm 2 Perimeter 12 cm 15 cm 14 cm 20 cm 13 cm 30.

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Presentation transcript:

Y9 Booster Lesson 9

Area and perimeter matchM9.1 Area 6 cm 2 12 cm 2 24 cm 2 12 cm 2 30 cm 2 3 cm 2 5 cm 2 Perimeter 12 cm 15 cm 14 cm 20 cm 13 cm 30 cm Match the areas and perimeters to the shapes. For the area and perimeter left over, draw a rectangle that fits those dimensions.

Company logoM9.2 An organisation has a pentagonal logo that is made from a rectangle and an isosceles triangle. The dimensions are as follows: Length of rectangle10 cm Width of rectangle3 cm Height of logo15 cm Side of isosceles triangle13 cm What is the area of the logo? How much braid is needed to go around the outside?

CoffeeM9.3 A box for coffee is in the shape of a hexagonal prism. One end of the box is shown below. Each of the six triangles in the hexagon has the same dimensions. (a) Calculate the total area of the hexagon. (b) The box is 10 cm long. After packing,the coffee fills 80% of the box. How many grams of coffee are in the box? (The mass of 1 cm3 of coffee is 0.5 grams.) (c) A 227 g packet of the same coffee costs £2.19. How much per 100 g of coffee is this?