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Chapter 1: Problem 34
Sketch, label, and mark the figure or write "not possible" and explain why. An equilateral triangle with perimeter \(12 a+6 b\)
Short Answer
Expert verified
Each side of the triangle is \(4a + 2b\). Sketch an equilateral triangle and label each side accordingly.
Step by step solution
01
Understand the Problem
An equilateral triangle has all three sides of equal length. We need to determine the length of each side given that the perimeter of the triangle is provided as \(12a + 6b\).
02
Determine the Length of Each Side
Since the perimeter is the sum of all sides and the triangle is equilateral, each side is of equal length. Therefore, each side length is \(\frac{12a + 6b}{3} = 4a + 2b\).
03
Sketch and Label the Triangle
Draw an equilateral triangle and label each side with the length \(4a + 2b\). Ensure the triangle has all three sides marked with this length and labeled appropriately.
Key Concepts
These are the key concepts you need to understand to accurately answer the question.
Perimeter Calculation
The perimeter is the sum of all the sides of a polygon. In the case of an equilateral triangle, all three sides are equal.
To find the length of each side when the perimeter is known, divide the total perimeter by the number of sides.
Since the perimeter in this problem is given as \(12a + 6b\), and an equilateral triangle has three equal sides, we calculate:
The length of each side = \frac{12a + 6b}{3} = 4a + 2b\
This means each side of the triangle is \(4a + 2b\) units long.
Length of Sides
To determine the length of each side of an equilateral triangle, start with understanding that each side is the same length.
For a triangle with a perimeter given, find the length by dividing this value by three.
For example, in our problem, the perimeter is \(12a + 6b\). So, the length of each side is \(\frac{12a + 6b}{3} = 4a + 2b\).
This calculation simplifies the understanding and helps you always find the length of each side accurately for any given perimeter.
Geometry Sketching
Sketching geometric shapes helps understand their properties. For an equilateral triangle:
- Draw a triangle with all sides and angles equal.
- Label each side with the calculated length (in this example, \(4a + 2b\)).
- Ensure the triangle maintains its equal sides to reflect the nature of an equilateral triangle accurately.
This visualization assists with grasping the concept of equal sides and angles in an equilateral triangle.
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