Perimeter of an arc practice exercise 1

Course: Grade 8 mathematics - Measurements - Circles

Quiz Questions (39 questions)

Question 1
A curved fence surrounds a garden shaped like a sector with radius 15 m and angle 150°. How many metres of fencing are needed to enclose the edge of the sector? (Use π = 3.14)
Question 2
A curved fence surrounds a garden shaped like a sector with radius 15 m and angle 150°. How many metres of fencing are needed to enclose the edge of the sector? (Use π = 3.14)  (1 mark)
Question 3
A curved fence surrounds a garden shaped like a sector with radius 15 m and angle 150°. How many metres of fencing are needed to enclose the edge of the sector? (Use π = 3.14)  (1 mark)
Question 4
A curved fence surrounds a garden shaped like a sector with radius 15 m and angle 150°. How many metres of fencing are needed to enclose the edge of the sector? (Use π = 3.14)  (1 mark)
Question 5
A full circle has a radius of 8 cm. What is the perimeter if the circle is considered a sector with angle 360°? (Use π = 3.14)
Question 6
A full circle has a radius of 8 cm. What is the perimeter if the circle is considered a sector with angle 360°? (Use π = 3.14) (1 mark)
Question 7
A full circle has a radius of 8 cm. What is the perimeter if the circle is considered a sector with angle 360°? (Use π = 3.14) (1 mark)
Question 8
A sector has a radius of 6 cm and an angle of 135°. Use π = 3.14. What is the perimeter of the sector?
Question 9
A sector has a radius of 6 cm and an angle of 135°. What is the perimeter of the sector? (Use π = 3.14)  (1 mark)
Question 10
A sector has a radius of 6 cm and an angle of 135°. What is the perimeter of the sector? (Use π = 3.14)  (1 mark)
Question 11
A sector has a radius of 6 cm and an angle of 135°. What is the perimeter of the sector? (Use π = 3.14)  (1 mark)
Question 12
A sector has a radius of 6 cm and an angle of 135°. What is the perimeter of the sector? (Use π = 3.14)  (1 mark)
Question 13
A sector has an angle of 120° and a perimeter of 36.76 cm. If π = 3.14, what is the radius of the sector?
Question 14
A sector has an angle of 120° and a perimeter of 36.76 cm. If π = 3.14, what is the radius of the sector rounded off to the nearest whole number?  (1 mark)
Question 15
A sector has an angle of 120° and a perimeter of 36.76 cm. If π = 3.14, what is the radius of the sector rounded off to the nearest whole number?  (1 mark)
Question 16
Calculate the perimeter of the sector below. Angle = 120° Radius = 10 cm Use π = 3.14
Question 17
Calculate the perimeter of the sector below. Angle = 120°, Radius = 10 cm. (Take π = 3.14)  (1 mark)
Question 18
Calculate the perimeter of the sector below. Angle = 120°, Radius = 10 cm. (Take π = 3.14)  (1 mark)
Question 19
Calculate the perimeter of the sector below. Angle = 120°, Radius = 10 cm. (Take π = 3.14)  (1 mark)
Question 20
Calculate the perimeter of the sector below. Angle = 180° Radius = 9 cm Use π = 3.14
Question 21
Calculate the perimeter of the sector below. Angle = 180°, Radius = 9 cm. Use π = 3.14  (1 mark)
Question 22
Calculate the perimeter of the sector below. Angle = 180°, Radius = 9 cm. Use π = 3.14  (1 mark)
Question 23
Calculate the perimeter of the sector below. Angle = 45° Radius = 8 cm Use π = 3.14
Question 24
Calculate the perimeter of the sector below. Angle = 45°, Radius = 8 cm. (Use π = 3.14)  (1 mark)
Question 25
Calculate the perimeter of the sector below. Angle = 45°, Radius = 8 cm. (Use π = 3.14)  (1 mark)
Question 26
Calculate the perimeter of the sector below. Angle = 45°, Radius = 8 cm. (Use π = 3.14)  (1 mark)
Question 27
Calculate the perimeter of the sector below. Angle = 60° Radius = 6 cm Use π = 3.14
Question 28
Calculate the perimeter of the sector below. Angle = 60°, Radius = 6 cm. (Use π = 3.14)   (1 mark)
Question 29
Calculate the perimeter of the sector below. Angle = 60°, Radius = 6 cm. (Use π = 3.14)   (1 mark)
Question 30
Calculate the perimeter of the sector below. Angle = 90° Radius = 7 cm Use π = 3.14
Question 31
Calculate the perimeter of the sector below. Angle = 90°, Radius = 7 cm. (Use π = 3.14)   (1 mark)
Question 32
Calculate the perimeter of the sector below. Angle = 90°, Radius = 7 cm. (Use π = 3.14)   (1 mark)
Question 33
Calculate the perimeter of the sector below. Angle = 90°, Radius = 7 cm. (Use π = 3.14)   (1 mark)
Question 34
Using π = 3.14, complete all the missing values in the table below: Radius (cm)Angle (°)Arc Length (cm)Perimeter (cm) 79011.00? 9180?46.26 560?? ?12020.9340.93 Which of the following lists correctly completes all the missing values?
Question 35
Using π = 3.14, complete all the missing values in the table below. Which of the following lists correctly completes all the missing values? (1 mark) Radius (cm) Angle (°) Arc Length (cm) Perimeter (cm) 7 90 11.00 ? 9 180 ? 46.26 5 60 ? ? ? 120 20.93 40.93
Question 36
Using π = 3.14, complete all the missing values in the table below. Which of the following lists correctly completes all the missing values? (1 mark) Radius (cm) Angle (°) Arc Length (cm) Perimeter (cm) 7 90 11.00 ? 9 180 ? 46.26 5 60 ? ? ? 120 20.93 40.93
Question 37
Using π = 3.14, complete all the missing values in the table below. Which of the following lists correctly completes all the missing values? (1 mark) Radius (cm) Angle (°) Arc Length (cm) Perimeter (cm) 7 90 11.00 ? 9 180 ? 46.26 5 60 ? ? ? 120 20.93 40.93
Question 38
Using π = 3.14, complete all the missing values in the table below. Which of the following lists correctly completes all the missing values? (1 mark) Radius (cm) Angle (°) Arc Length (cm) Perimeter (cm) 7 90 11.00 ? 9 180 ? 46.26 5 60 ? ? ? 120 20.93 40.93
Question 39
Using π = 3.14, complete all the missing values in the table below. Which of the following lists correctly completes all the missing values? (1 mark) Radius (cm) Angle (°) Arc Length (cm) Perimeter (cm) 7 90 11.00 ? 9 180 ? 46.26 5 60 ? ? ? 120 20.93 40.93

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