GCSE Maths - Area of a Sector and Length of an Arc of a Circle (Circles Part 3)

This video explains how to find the area of a sector and the length of an arc.
This video is suitable for maths courses around the world.
KS3 - Not on your course
GCSE Foundation - All on your course
GCSE Higher - All on your course
A-level - All on your course
Maths Playlist:
• GCSE Maths (9-1)
GCSE Chemistry playlist:
• GCSE Chemistry - Atoms...
GCSE Biology Playlist:
• Video
GCSE Physics Playlist:
• Video

[@Cognitoedu]

If you’d like to practise the material covered in this video, check out our platform at www.cognitoedu.org - it's totally free, and has been built to make learning and revision as easy as possible. The main features are:
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Amadeus & Tom

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Perfect, glad we could help Ryze 🙌

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At 4:53 did u do the multiplications first then devide them by 360 and round it to 120???

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Thanks Rxuben, glad you're enjoying it 😊

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You made congruency test but not similarity tests for triangle can you please make similarity tests for triangle. Your videos help so much in maths chemistry and biology im so grateful ❤️

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Ah thanks Issue, that's great to hear 😊

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Hi! Is there one where it’s in radians? It stresses me out when it’s in radians rather than in degrees ;/

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is it possible you can find the area without the degree?

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Dw, if your here on this video 19 weeks before your exam that means you’re studying hard so you’ll be a ok ❤

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We have less that 20 hours now

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What if the teto degrees or x° is not given? How do we find the arc length?

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Tq cher

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What does the x mean again?

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The
Angle referred as theeta also

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Its for secondary school people

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I dont get it, how'd u get ¼

[@user-jx2fu4hg7s]

360 divided by 90 is 4 so 1/4 of 360 is 90

[@GamingWithJas-ff4yf]

​​@@user-jx2fu4hg7sYeah id think it's basic knowledge, but then again I don't know how to do long division and I'm in set 1 year 9. My little brother knows how to do it. I know everything else except that.

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Me!

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[@Xojanisaur]

2:20 why is the answer squared? Sorry if it’s a dumb question but I don’t understand😓

[@melonicly]

area of anything is always in squared

[@GamingWithJas-ff4yf]

Because in area we write cm, m or km as cm², m² or km². While in perimeter/circumference/length of an arc we write cm, m or km without the squared.

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