Perimeter of Sector

Diameter = _______ x Radius

• Circumference

• π

• 2

• Radius

• arc length

• area of a sector

• area of a segment

• perimeter of a sector

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

Calculate the length of the arc. Round your answer to 2 decimal places.

• 16.2 cm
• 64.8 cm
• 16.20 cm
• 64.79 cm

Work out the perimeter of the sector in metres (rounding to 1 decimal place).

What is the circumference of a circle with a radius of 4 cm (rounded to 2 decimal places)?

• 25.13 cm

• 12.56 cm

• 6.28 cm

• 50.24 cm

Name the circle part shown in green

• Sector

• Arc

• Segment

• Radius

What does "circumference" mean?

• Space a circle takes up
• Distance around a circle
• Line from one side of a circle to another
• Line from center of circle to side

What is the circumference of a circle with a diameter of 56 m?

• 175.8 m
• 176.8 m
• 165.8 m
• 186.8 m

Which of the following shows the correct working out when finding the ARC LENGTH of the sector shown in the diagram?