Math Problem Statement

find the perimeter of the composite figure

Solution

To find the perimeter of the composite figure, we need to add the lengths of all its sides.

Let's identify and add each side:

  1. The left vertical side: 14cm14 \, \text{cm}
  2. The top horizontal side: 9cm9 \, \text{cm}
  3. The right vertical side (divided into three segments):
    • Top segment: 4cm4 \, \text{cm}
    • Middle segment: 6cm6 \, \text{cm}
    • Bottom segment: 5cm5 \, \text{cm}
    • Total right side: 4cm+6cm+5cm=15cm4 \, \text{cm} + 6 \, \text{cm} + 5 \, \text{cm} = 15 \, \text{cm}
  4. The bottom horizontal side: 9cm9 \, \text{cm}
  5. The horizontal segments between the vertical sections:
    • Upper middle segment: 6cm6 \, \text{cm}
    • Lower middle segment: 6cm6 \, \text{cm}

Adding all these together, the perimeter PP is:

P=14cm+9cm+15cm+9cm+6cm+6cmP = 14 \, \text{cm} + 9 \, \text{cm} + 15 \, \text{cm} + 9 \, \text{cm} + 6 \, \text{cm} + 6 \, \text{cm}

P=59cmP = 59 \, \text{cm}

The perimeter of the composite figure is 59cm59 \, \text{cm}.

Would you like more details or have any questions about this problem?

Here are 5 related questions to expand your understanding:

  1. How would the perimeter change if one of the side lengths increased by 2 cm?
  2. What is the area of this composite figure?
  3. If the composite figure were scaled down by a factor of 2, what would be the new perimeter?
  4. How do you find the perimeter of a composite figure with curved edges?
  5. What other methods could be used to verify the perimeter calculation?

Tip: When calculating the perimeter of composite shapes, ensure that every side is accounted for, especially if some sides overlap or are split into segments.

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Math Problem Analysis

Mathematical Concepts

Geometry
Perimeter
Composite Figures

Formulas

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Theorems

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Suitable Grade Level

Grades 4-6