Front

Example: 15% of 200

Back

30

Front

Key Formula: Area of a Circle

Back

A=Πr²

Front

Back

4

Front

Back

3

Front

Key Formulas: Circumference of a Circle

Back

C=2Πr

or

C=Πd

Front

Back

3

Front

Real-World: Loan Interest

Back

calculate interest using percentages over time.

Front

Back

18

Front

Example: 25% of 80

Back

80

Front

Back

4