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# AS level maths past paper question. I’m stuck watch

1. Could someone who is taking a/as level or additional GCSE maths please help me with this

The diagram shows a flexible price of card in the form of a sector of a circle with centre A and radius 18cm
The card is bent and the edges AB and AC are taped together so that the card forms the curved surface of a cone with a circular base.
Calculate the radius of the circular base.
2. the circumference of the circular base is the length of the arc of the sector.
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3. Picture?
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4. (Original post by RuthieG101)
the circumference of the circular base is the length of the arc of the sector.
Aha! Thanks very much for the help
5. no problem
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