Rope Drop 12/3 - Geo

Front

What is the formula for the circumference of a circle?

Back

Circumference = π × diameter or Circumference = 2 × π × radius.

Front

What is the value of π (pi) to two decimal places?

Back

π ≈ 3.14.

Front

Calculate the circumference of a circle with a diameter of 56 m.

Back

175.8 m.

Front

Calculate the circumference of a circle with a radius of 21 cm.

Back

131.9 cm.

Front

What is the formula for the area of a circle?

Back

Area = π × radius².

Front

Calculate the area of a circle with a radius of 7 cm.

Back

153.86 cm².

Front

What is the definition of a radius in a circle?

Back

A radius is a line from the center point to the edge of the circle.

Front

What is the diameter of a circle?

Back

The diameter is a line that crosses through the center and touches each edge.

Front

If a circular swimming pool has a diameter of 21 feet, what is its circumference?

Back

65.94 ft.

Front

What is the relationship between diameter and radius?

Back

Diameter = 2 × radius.