SOLUTION: 1. Calculate the surface area of a cuboid with width 3cm height 9cm and length 5cm? 2. A coin has a diameter of 3cm. Calculate a. It's perimeter b. Ti's area.

Algebra ->  Trigonometry-basics -> SOLUTION: 1. Calculate the surface area of a cuboid with width 3cm height 9cm and length 5cm? 2. A coin has a diameter of 3cm. Calculate a. It's perimeter b. Ti's area.       Log On


   



Question 1084535: 1. Calculate the surface area of a cuboid with width 3cm height 9cm and length 5cm?
2. A coin has a diameter of 3cm. Calculate a. It's perimeter b. Ti's area.

Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
A rectangular cube has 3 sets of 2 identical sides each. You add their surfaces:
2(3*9)+2(5*9)+2(3*5) = use your calculator
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Perimeter for a 3 diameter: 3 x Pi = your answer. Use your calculator