To find the surface area.
Answer to Problem 15E
604 ft2
Explanation of Solution
Given Information: 2 Right angled prism and Cuboid Length(l) =10 ft., Base(b) =
Formula Used:
Surface Area of Prism =
where p represents the perimeter of the base,
Surface Area of Cuboid =
Total Area = Surface Area of Prism + Surface Area of Cuboid
Calculation:
Length(l) =10 ft., Base(b) =
Perimeter
Perimeter
Perimeter
Surface Area of Prism =
Put the value of Length, Base and Height to find Surface Area of Prism
Surface Area of Prism of 1 Right angle =
Surface Area of Prism of 1 Right angle =
Surface Area of Prism of 1 Right angle = 132 ft2
Total Surface Area of Prism of 2 Right angle =
Given Information: Cuboid Length = 8 ft., Base = 10 ft. and Height = 5 ft.
Formula Used:
Surface Area of Cuboid =
Calculation:
Cuboid Length = 8 ft., Base = 10 ft. and Height = 5 ft.
Surface Area of Cuboid =
Put the value of Length, Base and Height to find Surface Area of Prism
Surface Area of Cuboid =
Surface Area of Cuboid =
Surface Area of Cuboid =
Surface Area of Cuboid = 340ft2
Given Information: Total Surface Area of Prism = 264 ft2 and Surface Area of Cuboid = 340ft2
Formula Used:Total Surface Area = Total Surface Area of Prism + Surface Area of Cuboid
Calculation:
Total Surface Area = Total Surface Area of Prism + Surface Area of Cuboid
Now, put value of Total Surface Area of Prism and Surface Area of Cuboid to find total area.
Total Surface Area = 264 ft2 + 340ft2 Hence,
Total Surface Area = 604 ft2
Chapter 10 Solutions
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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