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JulsSmile [24]
3 years ago
7

Does anyone know this?

Mathematics
1 answer:
34kurt3 years ago
8 0

Answer:

D. 25 in

General Formulas and Concepts:

<u>Symbols</u>

  • π (pi) ≈ 3.14

<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<u> </u>

<u>Geometry</u>

Circumference Formula: C = 2πr

  • <em>r</em> is radius

Step-by-step explanation:

<u>Step 1: Define</u>

[Circle] Radius <em>r</em> = 4 in

<u>Step 2: Find Circumference</u>

  1. Substitute in <em>r</em> [Circumference Formula]:                                                        C = 2π(4 in)
  2. [Circumference] Multiply:                                                                                 C = 8π in
  3. [Circumference] Substitute in π:                                                                      C = 8(3.14) in
  4. [Circumference] Multiply:                                                                                 C = 25.12 in
  5. [Circumference] Round:                                                                                   C ≈ 25 in
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