GCSE Maths 2023 Revision Cone Sector Angle - Hard

Introducing a new video tutorial on working with cones, designed to help students prepare for the 2023 GCSE Maths exam. In this video, our expert tutors will guide you through a challenging cone question that is predicted to be one of the hardest on the exam.

Here's the question:
The diagram shows a sector OACB of a circle with centre O. (5 marks)
The point C is the midpoint of the arc AB.
The diagram also shows a hollow cone with vertex O.
The cone is formed by joining OA and OB.
The cone has volume 56.8cm^3 and height 3.6cm
Calculate the size of angle AOB of sector OACB.
Give your answer correct to 3 significant figures.

Here's what you can expect from this comprehensive video tutorial:

1️⃣ A detailed, step-by-step solution to a cone question, predicted to be one of the hardest in the 2023 GCSE Maths exam.
2️⃣ Clear explanations of the key concepts and techniques involved in solving cone questions, so you can develop a solid foundation in this topic.
3️⃣ Expert tips on how to approach and solve cone questions efficiently and accurately, including using volume and surface area of a cone formula
4️⃣ Additional practice problems to help you reinforce your understanding of cone questions, with detailed solutions that ensure you're on the right track.

By the end of this video tutorial, you'll have a thorough understanding of how to tackle complex cone questions and the confidence to excel in this crucial topic in the 2023 GCSE Maths exam. 💯

Don't miss out on this invaluable opportunity to improve your skills and boost your exam performance. Make sure to like, share, and subscribe to our channel for more expert guidance and practice on a wide range of GCSE Maths topics, so you can secure top marks in your exams and achieve the best possible results! 🏆

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You can download the worksheet from 3minutemaths, although please do
stop the video
work through the questions
compare your solutions

I hope the video helps and please do leave a comment - thanks!

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