Mensuration

Step 1: Understanding the formula.
The perimeter of a sector is given by:
where is the radius and is the angle in radians.

Step 2: Convert the angle to radians.
For an angle of , the angle in radians is:


Step 3: Calculate the perimeter.
Substitute the values cm and into the perimeter formula:


Step 4: Conclusion.
Therefore, the perimeter of the sector is cm.

Final Answer: 28 + 7π.

Step 1: Formula for Total Surface Area of a Cuboid.
The formula for the total surface area of a cuboid is: Where: is the length, is the breadth, and is the height of the cuboid.

Step 2: Apply the given values.
Here, , , .
Substitute these values into the formula:

Step 3: Conclusion.
Therefore, the total surface area of the cuboid is .

Final Answer: 592.