Respuesta :

Space

Answer:

2) 29

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

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

Equality Properties

Trigonometry

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

Step-by-step explanation:

Step 1: Define

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

Step 2: Identify Variables

Leg a = 20

Leg b = 21

Hypotenuse c = x

Step 3: Solve for x

  1. Substitute:                    20² + 21² = x²
  2. Exponents:                   400 + 441 = x²
  3. Add:                              841 = x²
  4. Isolate x:                       29 = x
  5. Rewrite:                        x = 29
danigeo999

Answer:

2) 29

Step-by-step explanation: