M7+ U1 Minor Assessment Review

Front

What is the formula to calculate the circumference of a circle?

Back

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

Front

What is the value of π (pi) used in calculations?

Back

π (pi) is approximately 3.14.

Front

If the radius of a circle is 9 meters, what is the circumference?

Back

56.52 meters.

Front

What is the diameter of a circle if the radius is 8 cm?

Back

The diameter is 16 cm.

Front

What is the relationship between diameter and radius?

Back

Diameter = 2 × radius.

Front

If the diameter of a circle is 90 cm, what is the circumference?

Back

282.6 cm.

Front

What is the definition of circumference?

Back

Circumference is the distance around the edge of a circle.

Front

What does the term 'radius' refer to in a circle?

Back

The radius is the distance from the center of the circle to any point on its edge.

Front

What does the term 'diameter' refer to in a circle?

Back

The diameter is the distance across the circle through its center, equal to twice the radius.

Front

How do you find the diameter if you know the circumference?

Back

Diameter = Circumference / π.