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# Circle geometry watch

1. It's been a while since GCSE maths, and I've no idea how to do this question. I think it's only for 3 marks, so there can't be many steps... all I can think of is opposite angles adding to 180. Any ideas?

2. (Original post by scherzi)
It's been a while since GCSE maths, and I've no idea how to do this question. I think it's only for 3 marks, so there can't be many steps... all I can think of is opposite angles adding to 180. Any ideas?

It's been ages for me too, so I'm a bit rusty, but were there such things as kite angles? Whereby the 36 degrees is the same for the angle given and PQS? If so then RQS would be 90 degrees - PQS, therefore 54 degrees. I think that's right anyway.

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3. (Original post by Rhodopsin94)
It's been ages for me too, so I'm a bit rusty, but were there such things as kite angles? Whereby the 36 degrees is the same for the angle given and PQS? If so then RQS would be 90 degrees - PQS, therefore 54 degrees. I think that's right anyway.

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I managed to find the mark scheme. You're right about the answer, but it's not a kite - you have to use angles in the same segment. Thanks for the reply anyhow.
4. The same segment thereom is often referred to as the bow thereom. I am not sure if 'kite' is another 'nick name' given to it. Always use the proper name in your exam though.
5. (Original post by Tinkletea)
The same segment thereom is often referred to as the bow thereom. I am not sure if 'kite' is another 'nick name' given to it. Always use the proper name in your exam though.
Yeah, I remember now. I meant the bow, but just forgot what it was called and assumed it was kite. I think there is something we learnt called kite, where you have two segments of equal length and two more segments of the same length as each other, but shorter than the first segments, and just look like a kite?

But at A2 level maths (or AS for that matter) you don't need circle theorem so I'm alright. Good luck to the OP though!

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