Find the surface area of the solid pictured below which is composed of a right cone with a hemisphere attached to the base. Give your answer to the nearest square centimetre. (3 marks)
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Find the surface area of the solid pictured below which is composed of a right cone with a hemisphere attached to the base. Give your answer to the nearest square centimetre. (3 marks)
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A square pyramid with a perpendicular height of 8 metres is pictured below.
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A letterbox, which has been constructed by joining a half cylinder and rectangular prism, needs to be painted on each external surface.
Find the surface area of the letterbox, giving your answer correct to the nearest square centimetre. (3 marks)
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Calculate the surface area of the half-cylinder below (including the base), giving your answer correct to two decimal places. (3 marks)
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The surface area of a brick is given by the rule:
total surface area = 2 × [(width × height) + (width × length) + (height × length)]
The brick shown has a total surface area of 982 square centimetres.
What is the width of the brick? (2 marks)
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A glass aviary is made up of four triangles and a square, as shown in the diagram below.
Harry is hired to clean the interior sides of the aviary, not including the floor.
What is the area that Harry will need to clean? (2 marks)
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A triangular prism has the following dimensions (all measurements are in centimetres).
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A child's toy has the following design.
Find the area of the shaded region to the nearest square centimetre. (3 marks)
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What is the area of the shaded part of this quadrant, to the nearest square centimetre? (3 marks)
A composite solid is shown. The top section is a cylinder with a height of 3 cm and a diameter of 4 cm. The bottom section is a hemisphere with a diameter of 6 cm. The cylinder is centred on the flat surface of the hemisphere.
Find the total surface area of the composite solid in cm², correct to 1 decimal place. (4 marks)
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A shade shelter is to be constructed in the shape of half a cylinder with open ends. The diameter is 3.8 m and the length is 10 m.
The curved roof is to be made of plastic sheeting.
What area of plastic sheeting is required, to the nearest m²? (2 marks)
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A school playground consists of part of a circle, with centre
What is the area of the whole playground, correct to the nearest square metre? (5 marks)
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The diagram shows the shape and dimensions of a terrace which is to be tiled.
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Find the total cost of the boxes of tiles required for the terrace. (2 marks)
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