A triangular pyramid has an equilateral triangle base with an area B of 20cm and a perimeter of 21 cm. The slant height of the side faces is 10cm. What is the total surface area?, You are wrapping a cubic gift box that has a side length of 12 cm. If you want to cover every side with wrapping paper, what is the total surface area of the paper you will need?, A plastic storage bin is 60 cm long, 40 cm wide, and 30 cm high. You want to calculate the total surface area to see how much plastic was used to manufacture it (including the lid)?, A safety cone used for road repairs has a base radius of 15 cm and a slant height of 50 cm. If the cone has a closed circular base, what is the total surface area of the cone?, A standard soup can has a radius of 3.5 cm and a height of 10 cm. How much metal is needed to create the entire can, including the top and bottom lids?, You are painting a wooden sphere to look like a globe. The sphere has a radius of 20 cm. How many square centimeters of paint will you need to cover the entire surface?.

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