AREA PERIMETER & CIRCUMFERENCE

Front

What is the formula for the area of a rectangle?

Back

The area of a rectangle is calculated using the formula: Area = length × width.

Front

What is the formula for the perimeter of a rectangle?

Back

The perimeter of a rectangle is calculated using the formula: Perimeter = 2(length + width).

Front

What is the formula for the area of a square?

Back

The area of a square is calculated using the formula: Area = side².

Front

What is the formula for the perimeter of a square?

Back

The perimeter of a square is calculated using the formula: Perimeter = 4 × side.

Front

What is the formula for the area of a circle?

Back

The area of a circle is calculated using the formula: Area = πr², where r is the radius.

Front

What is the formula for the circumference of a circle?

Back

The circumference of a circle is calculated using the formula: Circumference = 2πr or Circumference = πd, where d is the diameter.

Front

What is the relationship between diameter and radius in a circle?

Back

The diameter of a circle is twice the length of the radius: d = 2r.

Front

How do you convert area from square meters to square centimeters?

Back

To convert from square meters to square centimeters, multiply by 10,000 (1 m² = 10,000 cm²).

Front

What is the area of a rectangle with a length of 10 m and a width of 5 m?

Back

Area = length × width = 10 m × 5 m = 50 m².

Front

What is the perimeter of a rectangle with a length of 10 m and a width of 5 m?

Back

Perimeter = 2(length + width) = 2(10 m + 5 m) = 30 m.