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zubka84 [21]
3 years ago
12

What is the length of the unknown side of the right triangle? ( 20​

Mathematics
2 answers:
Papessa [141]3 years ago
7 0

Answer:

2) 29

Step-by-step explanation:

MAXImum [283]3 years ago
4 0

Answer:

2) 29

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

<u>Trigonometry</u>

  • [Right Triangle Only] Pythagorean Theorem: a² + b² = c²

Step-by-step explanation:

<u>Step 1: Define</u>

We have a right triangle. We can use PT to find the missing length.

<u>Step 2: Identify Variables</u>

Leg <em>a</em> = 20

Leg <em>b</em> = 21

Hypotenuse <em>c</em> = <em>x</em>

<em />

<u>Step 3: Solve for </u><em><u>x</u></em>

  1. Substitute:                    20² + 21² = x²
  2. Exponents:                   400 + 441 = x²
  3. Add:                              841 = x²
  4. Isolate <em>x</em>:                       29 = x
  5. Rewrite:                        x = 29
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