Use the Pythagorean Theorem to find out if these are right triangles. Justify your answers. Yes or no for each

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
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Use the Pythagorean Theorem to find out if these are right triangles. Justify your answers. Yes or no for each
### Geometry: Triangle Sides Length

#### Understanding Triangle Dimensions

The provided image shows a diagram of a triangle with three given side lengths. This example can help illustrate various geometric principles such as the properties of triangles and the application of the Pythagorean Theorem for right-angled triangles, though this specific triangle appears to be a general scalene triangle (a triangle with all sides of different lengths).

#### Triangle c)

- Left side length: 9.6 km
- Right side length: 12.8 km
- Base length: 16.0 km

This representation can be used to discuss various topics in triangle geometry including the calculation of perimeter (sum of all side lengths) and exploring relationships between side lengths, or even diving into Heron's formula for finding the area of a triangle when all side lengths are known.

This triangle can also serve in practical applications such as land surveying, navigation, or solving real-life problems where such measurements might be crucial. 

#### Practical Exercise

- **Calculate the Perimeter:** 
  The perimeter \( P \) of the triangle can be found by summing the lengths of all sides:
  \[
  P = 9.6 \, \text{km} + 12.8 \, \text{km} + 16.0 \, \text{km}
  \]
  
- **Discussion on Specific Properties:**
  Discuss how these side lengths would conform to the Triangle Inequality Theorem which states that the sum of the lengths of any two sides must be greater than the length of the remaining side. Confirm this holds for the given side lengths of this triangle.

By examining this triangular figure, students can gain practical insights into the properties and mathematical relationships inherent in triangular shapes.
Transcribed Image Text:### Geometry: Triangle Sides Length #### Understanding Triangle Dimensions The provided image shows a diagram of a triangle with three given side lengths. This example can help illustrate various geometric principles such as the properties of triangles and the application of the Pythagorean Theorem for right-angled triangles, though this specific triangle appears to be a general scalene triangle (a triangle with all sides of different lengths). #### Triangle c) - Left side length: 9.6 km - Right side length: 12.8 km - Base length: 16.0 km This representation can be used to discuss various topics in triangle geometry including the calculation of perimeter (sum of all side lengths) and exploring relationships between side lengths, or even diving into Heron's formula for finding the area of a triangle when all side lengths are known. This triangle can also serve in practical applications such as land surveying, navigation, or solving real-life problems where such measurements might be crucial. #### Practical Exercise - **Calculate the Perimeter:** The perimeter \( P \) of the triangle can be found by summing the lengths of all sides: \[ P = 9.6 \, \text{km} + 12.8 \, \text{km} + 16.0 \, \text{km} \] - **Discussion on Specific Properties:** Discuss how these side lengths would conform to the Triangle Inequality Theorem which states that the sum of the lengths of any two sides must be greater than the length of the remaining side. Confirm this holds for the given side lengths of this triangle. By examining this triangular figure, students can gain practical insights into the properties and mathematical relationships inherent in triangular shapes.
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