Circles

The radius of a circle is 5cm. Find the area of this circle, correct to 1 decimal place.

• 31.4cm²

• 314.1cm²

• 78.5cm²

• 15.7cm²

The diameter of a circle is 2cm. Find the area of this circle, correct to 2 decimal places.

• 6.28cm²

• 3.14cm²

• 12.57cm²

• 15.7cm²

The radius of a circle is 5cm. Find the circumference of this circle, correct to 1 decimal place.

• 31.4cm

• 314.1cm

• 78.5cm

• 15.7cm

The diameter of a circle is 2cm. Find the circumference of this circle, correct to 2 decimal places.

• 6.28cm

• 3.14cm

• 12.57cm

• 15.7cm

The diagram shows a circle with radius 8cm. Find the area of this circle, correct to 1 decimal place.

• 201.1cm²

• 50.3cm²

• 804.2cm²

• 25.1cm²

The diagram shows a circle with radius 8cm. Find the circumference of this circle, correct to 1 decimal place.

• 201.1cm

• 50.3cm

• 804.2cm

• 25.1cm

The diagram shows a circle with diamater 16cm. Find the area of this circle, correct to 1 decimal place.

• 201.1cm²

• 50.3cm²

• 804.2cm²

• 25.1cm²

The diagram shows a circle with diameter 16cm. Find the circumference of this circle, correct to 1 decimal place.

• 201.1cm

• 50.3cm

• 804.2cm

• 25.1cm

The diagram shows a circle with diameter 12cm. Find the circumference of this circle, correct to 1 decimal place.

• 113.1cm

• 452.4cm

• 37.7cm

• 18.8

The diagram shows a circle with diameter 12cm. Find the area of this circle, correct to 1 decimal place.

• 113.1cm²

• 452.4cm²

• 37.7cm²

• 18.8²