Is there a way out?

My problem in Maths is only with application of theorems. So please help me by suggesting some ways to do it well. I got 2 theorem questions wrong in my exam. If this is only my problem should I go to some special tuitions for maths to score well? Please help me out

Note by Vishwathiga Jayasankar
3 years, 6 months ago

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I dunno

Suyash Srivastava - 3 years, 6 months ago

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oh

vishwathiga jayasankar - 3 years, 6 months ago

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Can you post the questions here?

展豪 張 - 3 years, 5 months ago

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Yes I will try posting it I have already posted one.

vishwathiga jayasankar - 3 years, 5 months ago

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Can you post the link here? Seems like I can't find it...

展豪 張 - 3 years, 5 months ago

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@展豪 張 https://brilliant.org/discussions/thread/can-you-please-help-me-solve-this/

vishwathiga jayasankar - 3 years, 5 months ago

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@Vishwathiga Jayasankar OIC. For this question you need some theorems which are useful in angle tracing in circles:
arc proportional to subtended angle
angles in semi-circle
And a basic one:
angle sum of triangle
Are you familiar with these theorems?

展豪 張 - 3 years, 5 months ago

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@展豪 張 Yes I am familiar with these theorems except the first one you mentioned.

vishwathiga jayasankar - 3 years, 5 months ago

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@Vishwathiga Jayasankar That means your answer is no...
It states that if there are two arcs on a same circle, the ratio of length of these two arcs equals the ratio of the angle (at circumference or at centre, both OK) subtended by these two arcs respectively.

展豪 張 - 3 years, 5 months ago

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@展豪 張 Okay I got it.

vishwathiga jayasankar - 3 years, 5 months ago

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@Vishwathiga Jayasankar Thank you

vishwathiga jayasankar - 3 years, 5 months ago

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@Vishwathiga Jayasankar You're welcome. So can you finish the proof now?

展豪 張 - 3 years, 5 months ago

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@展豪 張 Yes thank you.May I know your name please.

vishwathiga jayasankar - 3 years, 5 months ago

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@Vishwathiga Jayasankar That's great! I am 張展豪(Cheung Chin Ho in English, or you may call me Brian) ;)

展豪 張 - 3 years, 5 months ago

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@展豪 張 yeah thank you again.

vishwathiga jayasankar - 3 years, 5 months ago

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@Vishwathiga Jayasankar You're very welcome!

展豪 張 - 3 years, 5 months ago

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