Perimeter

CSCE TUTORIAL

Class – 5

Topic – Perimeter

Worksheet – 1

1. Find the perimeter of the following:
   a. Square of side = 5 cm
   b. Triangle with side 3 cm , 6cm and 5 cm
2. The perimeter of a square is 20cm. What is the length of each side?
3. The perimeter of a rectangle is 32cm. If the length is 12cm, what is the width?
4. A triangle has sides of 6cm, 8cm, and 10cm. What is its perimeter?
5. A regular hexagon has a side length of 4cm. What is its perimeter?
6. A rectangular field has a length of 20m and a width of 15m. What is its perimeter?
7. A square has a perimeter of 24cm. What is the area of the square?
8. A rectangle has a perimeter of 42cm and an area of 72cm². What are its length and width?
9. A regular octagon has a perimeter of 64cm. What is the length of each side?
10. A trapezium has parallel sides of length 6cm and 8cm, and a height of 4cm. What is its perimeter?

Answers:

1. a) 4 × 5cm = 20 cm
   b) 3 cm + 6cm + 5 cm = 14 cm
2. Each side of the square is 5cm.
3. The width of the rectangle is 4cm.
4. The perimeter of the triangle is 24cm.
5. The perimeter of the regular hexagon is 24cm.
6. The perimeter of the rectangular field is 70m.
7. The area of the square is 36cm².
8. The length of the rectangle is 18cm and the width is 4cm.
9. Each side of the regular octagon is 8cm.
10. The perimeter of the trapezium is 24cm + 6cm + 8cm + 6cm = 44cm.