quick question someone please help before i go out (1 Viewer)

Kaatie · May 1, 2009

find the minor segment when angle is 150 degrees and radius is 7 cm

its meant to be (49(5pi-3))/12

i can do it except for the -3 i dont see where that comes from

need help before 8:20 is thats possible

shuning · May 1, 2009

回复: quick question someone please help before i go out

we finding the area or premeter? xD

Kaatie · May 1, 2009

Re: 回复: quick question someone please help before i go out

area

shuning · May 1, 2009

回复: Re: 回复: quick question someone please help before i go out

it's either i havent done 2u for ages.... or the answer is wrong

i got (49 x 30 pi) / 12

gurmies · May 1, 2009

Re: 回复: Re: 回复: quick question someone please help before i go out

$A_{Minor \,\,Segment} = \frac{1}{2}r^{2}(\theta -\sin\theta)$

$A_{Minor \,\,Segment} = \frac{49}{2}(\frac{5\pi}{6}-\frac{1}{2})$

$= \frac{49}{2}(\frac{5\pi-3}{6})$

$= \frac{49}{12}(5\pi-3)$

Sorry not before 8:20

quick question someone please help before i go out (1 Viewer)

Kaatie

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shuning

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Kaatie

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shuning

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gurmies

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