Year 10
Higher
Find the length of an arc and the perimeter of a sector
Year 10
Higher
Find the length of an arc and the perimeter of a sector
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Lesson details
Key learning points
- In this lesson, we will find the length of an arc and the perimeter of a semicircle
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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3 Questions
Q1.
What is the arc length of the semi circle in terms of π ?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707170675%2Fcdtdjobwc1a2bvhb2jby.jpg&w=1080&q=75)
A
B
D
Q2.
What is the arc length of the quarter circle to 3 significant figures?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707170679%2Fzkckn56bpaulo6ob6pom.jpg&w=1080&q=75)
B
C
D
Q3.
What is the arc length of the semicircle to 3 significant figures?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707170691%2Fyunxzhpk8fwgn8sg4lrn.jpg&w=750&q=75)
A
B
C
3 Questions
Q1.
What is the arc length of the sector to 3 significant figures?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707172667%2Fypewnsgfqtlzdhg8p246.jpg&w=1080&q=75)
A
B
C
Q2.
What is the perimeter of the sector to 3 significant figures?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707172677%2Fsemez1rtfal7jw8fxvgm.jpg&w=1080&q=75)
A
C
D
Q3.
What is the arc length of the sector to 3 significant figures?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707172683%2Femx7qiue88rnqmycsrec.jpg&w=750&q=75)
A
B
D