Question

Estimate the area of a circle with a radius of 21 meters. Use 22/7 for pie.

Answer 1

1386 m²

ya i dont know

how to say it but it the answer

Answer 2

A ≈ 1386 m²

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

Geometry

Area of a Circle Formula: A = πr²

• r is radius r

Explanation:

Step 1: Define

Radius r = 21 m

Step 2: Solve

1. Substitute in variables [Area of a Circle Formula]: A ≈ (22/7)(21 m)²
2. Evaluate exponents: A ≈ (22/7)(441 m²)
3. Multiply: A ≈ 1386 m²