Please do these following answer &questions(4a,b), (5a,b), 6,7

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4. Determine the surface area of each composite object. Give the answers to the nearest tenth. a) 1.5 cm 4.0 cm 4.5 cm 01.0 cm b) The cylinder is 3.5 m long with diameter 0.5 m. 1.5 m 2.5 m 1.5 m C 2.5 m 2.5 m 2.5 m 5. Determine the surface area of each composite object. a) The cylinder is 2.5 m long with radius 0.5 m. 2.5 m 2.5 m 1.0 m 3.0 m
b) The base of the triangular prism is an equilateral triangle with side length 2.8 cm. 1.2 cm 2.8 cm 1.4 cm 4.8 cm Apply 6. Here is the lamp stand from the top of page 33. The base of the lamp is a triangular prism with an equilateral triangle base. The surface of the stand is to be painted. What is the area that will be painted? Give the answer to the nearest whole number. 4 cm 30 cm 3 cm 15 cm 7. Assessment Focus a) A playhouse has the shape of a rectangular prism with a triangular prism roof. Determine the surface area of the playhouse. 0.75 m 1.25 m 2.0 m 2.0 m 3.0 m