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Circles, Sectors & Arcs: Quiz 5
Circles, Sectors & Arcs: Quiz 5
Part 1
Do not use a calculator for the questions in this part.
1) Work out the length of the arcs for the following sectors. Give your answer in exact form (in terms of π).
Do not use a calculator for the questions in this part.
1) Work out the length of the arcs for the following sectors. Give your answer in exact form (in terms of π).
2) We have a semi-circle with a radius of 10 cm. What is the length of the arc?
Part 2
You may use a calculator for the following questions.
1) Work out the arc lengths for the following sectors. Give your answers to 3 significant figures.
You may use a calculator for the following questions.
1) Work out the arc lengths for the following sectors. Give your answers to 3 significant figures.
2) A sector has a radius of 5 cm and an arc length of 18 cm.
a) What is the angle of the sector? Give your answer to the nearest integer.
b) What is the area of the sector? Give your answer to the nearest integer.
3) A sector has a radius of 8 cm and an arc length of 5.2 cm.
a) What is the angle of the sector? Give your answer to the nearest integer.
b) What is the area of the sector? Give your answer to the nearest integer.
4) A sector has an arc length of 20 cm and an angle of 101°. What is the radius of the sector? Give your answer to 3 significant figures.
5) A sector has an arc length of 41.7 cm and an angle of 296°. What is the radius of the sector? Give your answer to 3 significant figures.
a) What is the angle of the sector? Give your answer to the nearest integer.
b) What is the area of the sector? Give your answer to the nearest integer.
3) A sector has a radius of 8 cm and an arc length of 5.2 cm.
a) What is the angle of the sector? Give your answer to the nearest integer.
b) What is the area of the sector? Give your answer to the nearest integer.
4) A sector has an arc length of 20 cm and an angle of 101°. What is the radius of the sector? Give your answer to 3 significant figures.
5) A sector has an arc length of 41.7 cm and an angle of 296°. What is the radius of the sector? Give your answer to 3 significant figures.