r sin θ/2 x cos θ/2 is this the right formula for area of triangle in areas related to circle chapter.
Please answer, I've preboard 2 tomorrow
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don't prefer using it...just use it as an emergency... if you can't remember anything
nitirocks12pehtmu:
so is it correct
yes
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in triangle AOB
OA = r cos
AB = r sin
area of triangle OAB = 1/2 r ^2 sin n/2 * cos n/2
total area of whole triangle = r ^2 sin n/2 * cos n/2
where n is the angle made by chord at centre
OA = r cos
AB = r sin
area of triangle OAB = 1/2 r ^2 sin n/2 * cos n/2
total area of whole triangle = r ^2 sin n/2 * cos n/2
where n is the angle made by chord at centre
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can you write whole theorm
ok
and you will get a choice in this question , normally in exam they ask two questions on theorm from triangle ,that worth 4 marks and you have to do one out of them
ok
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thank you very much
ill upload one question, please check if u can answer it
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