Front

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

Back

The diameter of a circle is twice the length of the radius. Formula: Diameter = 2 × Radius.

Front

If the radius of a circle is 10 m, what is the diameter?

Back

20 m

Front

What is the formula to calculate the radius if the diameter is known?

Back

Radius = Diameter / 2.

Front

Define the term 'radius' in the context of a circle.

Back

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

Front

Define the term 'diameter' in the context of a circle.

Back

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

Front

If a circle has a diameter of 30 m, what is its radius?

Back

15 m

Front

What is the diameter of a circle with a radius of 12 m?

Back

24 m

Front

Is a line segment that connects two points on the circumference of a circle and passes through the center a radius or diameter?

Back

Diameter.

Front

If the radius of a circle is halved, what happens to the diameter?

Back

The diameter is also halved.

Front

What is the diameter of a circle with a radius of 5 m?

Back

10 m