Question

A circle has a circumference of 3.14 units. What is the diameter of the circle? units 2 Watch a video or use a hint .​

Answer 1

d = 1 unit

General Formulas and Concepts:

Math

• Symbol π (pi) - 3.14

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

• Multiplication Property of Equality
• Division Property of Equality
• Addition Property of Equality
• Subtraction Property of Equality

Geometry

Circumference Formula: C = πd

• d is diameter

Explanation:

Step 1: Define

C = 3.14 units

Step 2: Solve for d

1. Substitute in variable [Circumference Formula]:
   `3.14 = \pi d`
2. [Division Property of Equality] Isolate d:
   `1 = d`
3. Rewrite:
   `\displaystyle d = 1`