Worksheet: Finding the Perimeter of a Composite Figure

In this worksheet, we will practice finding the perimeter of composite figures.

Q1:

Use 3.14 to approximate 𝜋 and calculate the perimeter of the following figure:

Q2:

Given that 𝐵 𝐶 𝐷 𝐸 is a square, find the perimeter of 𝐴 𝐶 𝐷 𝐸 .

Q3:

The given figure shows circle 𝑀 inscribed in square 𝐴 𝐵 𝐶 𝐷 . The area of the shaded region of the figure is 2 1 3 cm2. Using the approximation 𝜋 = 2 2 7 , find the perimeter of the shaded region.

  • A 1 6 2 3 cm
  • B 3 3 1 3 cm
  • C 1 8 2 3 cm
  • D 24 cm

Q4:

Determine the perimeter of the figure, using 2 2 7 to approximate 𝜋 .

Q5:

Determine the perimeter of the figure, using 3.14 to approximate 𝜋 .

Q6:

Use 3.14 to approximate 𝜋 and calculate the perimeter of the figure.

Q7:

𝐴 𝐵 𝐶 𝐷 is a square of side 140. Calculate the perimeter of the shaded region, taking 2 2 7 as an approximation for 𝜋 .

  • A220
  • B 30,800
  • C440
  • D880

Q8:

The given figure shows two half circles and two quarters of another circle, Find the perimeter of the shaded region, taking 3.14 as an approximate value for 𝜋 .

Q9:

Given that 𝐴 𝐵 𝐶 𝐷 is a rectangle, find the perimeters of 𝐶 𝐷 𝐸 and 𝐴 𝐹 𝐵 𝐶 𝐸 𝐷 .

  • Aperimeter of 𝐶 𝐷 𝐸 = 2 7 c m , perimeter of 𝐴 𝐹 𝐵 𝐶 𝐸 𝐷 = 7 6 c m
  • Bperimeter of 𝐶 𝐷 𝐸 = 1 9 c m , perimeter of 𝐴 𝐹 𝐵 𝐶 𝐸 𝐷 = 9 8 c m
  • Cperimeter of 𝐶 𝐷 𝐸 = 3 8 c m , perimeter of 𝐴 𝐹 𝐵 𝐶 𝐸 𝐷 = 6 6 c m
  • Dperimeter of 𝐶 𝐷 𝐸 = 1 6 c m , perimeter of 𝐴 𝐹 𝐵 𝐶 𝐸 𝐷 = 3 8 c m

Q10:

Calculate the perimeter of the figure below.

Q11:

Use 3.14 to approximate 𝜋 and calculate the perimeter of the shaded part.

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