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dexar [7]
3 years ago
13

Will side lengths of 3 cm, 4 cm, and 5 cm form a triangle? explain.

Mathematics
2 answers:
Gelneren [198K]3 years ago
6 0

Yes, that is the famous first Pythagorean triplet: 3²+4²=5²

or

For three lengths to be able to form a triangle, it suffices that every one of those lengths is shorter than the sum and longer than the difference of the other two.

It is enough to check just one side.

So,

3 + 4 > 5

4 - 3 < 5

Your triangle is constructible.

just olya [345]3 years ago
4 0

Answer: yes because 3cm, 4cm, and 5cm form a triangle

Step-by-step explanation:

Comment the right answer if i'm wrong or not

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2 years ago
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m_a_m_a [10]

Answer:

y - 5 = -3(x + 2)

General Formulas and Concepts:

<u>Algebra I</u>

Point-Slope Form: y - y₁ = m(x - x₁)  

  • x₁ - x coordinate
  • y₁ - y coordinate
  • m - slope

Step-by-step explanation:

<u>Step 1: Define</u>

Slope <em>m</em> = -3

Point (-2, 5)

<u>Step 2: Write function</u>

  1. Substitute:                    y - 5 = -3(x + 2)
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