Question-48777

Question Number 48777 by naka3546 last updated on 28/Nov/18

Commented by tanmay.chaudhury50@gmail.com last updated on 29/Nov/18

Commented by tanmay.chaudhury50@gmail.com last updated on 29/Nov/18

Commented by tanmay.chaudhury50@gmail.com last updated on 29/Nov/18

y e s s i r i f o u n d m y m i s t a k e \dots

Commented by tanmay.chaudhury50@gmail.com last updated on 28/Nov/18

Commented by tanmay.chaudhury50@gmail.com last updated on 28/Nov/18

A r e a o f b i g w h i t e p o r i o n f o u n d

n o w f r o m t r i a n g l e △ B O C a n d s e c t o r O B X C O

c a l c u l a t i n g s m a l l w h i t e a r e a

p l s w a i t = \dots

Commented by tanmay.chaudhury50@gmail.com last updated on 28/Nov/18

Commented by tanmay.chaudhury50@gmail.com last updated on 28/Nov/18

Commented by tanmay.chaudhury50@gmail.com last updated on 29/Nov/18

w h o r e d m a r k e d a n d w h y

Commented by mr W last updated on 28/Nov/18

g r e e n a r e a = w h i t e a r e a = \frac{a r e a o f c i r c l e}{2}

Commented by mr W last updated on 28/Nov/18

Commented by tanmay.chaudhury50@gmail.com last updated on 29/Nov/18

b e f o r e p o i n t i n g f i n g u r e b e t t e r y o u j u d g e y o u r s e l f

O K i a m l e a v i n g t h e f o r u m \dots

Commented by mr W last updated on 29/Nov/18

t h a n k y o u s i r!

t h e q u e s t i o n i s q u i t e g e n e r a l, b u t i n

y o u r c a l c u l a t i o n y o u h a v e a s s u m e d

t h a t t h e t h i n g i s s y m m e t r i c . i n y o u r

f i r s t c h a r t y o u a s s u m e d A C = A D a n d

B C = E D, s o y o u g o t B C = R \sin \frac{45 °}{2} . b u t

t h e q u e s t i o n {d o e s n}^{'} t m e a n t h i s s p e c i a l

c a s e . i . e . g e n e r a l l y A C \neq A D a n d

B C \neq E D \neq R \sin \frac{45 °}{2} .

{t h a t}^{'} s t o s a y, t o b e e x a c t, y o u r c a l c u l a t i o n

i s o n l y a c o n f i r m a t i o n f o r t h e s t a t e m e n t

t h a t g r e e n a r e a = c i r c l e a r e a / 2 i n a

s p e c i a l c a s e, b u t {i t}^{'} s n o t t h e g e n e r a l

p r o o f f o r t h e s t a t e m e n t .

Commented by mr W last updated on 29/Nov/18

I t h i n k s o m e o n e r e d m a r k e d y o u r p o s t s

b y m i s t a k e . i n f a c t h e j u s t w a n t e d t o g i v e

y o u r p o s t s a L i k e . t h i s h a p p e n s

f r e q u e n t l l y i n t h e f o r u m . s o {d o n}^{'} t t a k e

i t s e r i o u s .

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