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Mathematics 12 Online
OpenStudy (anonymous):

Quick geometry question....

OpenStudy (anonymous):

THIS IS THE DOC with question on it

OpenStudy (anonymous):

@FoolForMath or @experimentX , @satellite73 or @Zarkon please try and help me with this..

OpenStudy (anonymous):

okay... @FoolForMath do you think u can do it?? I'm time limited;P

OpenStudy (anonymous):

cn i help?

OpenStudy (anonymous):

yeah you can! everyone can help!

OpenStudy (anonymous):

kk whats the Q?

OpenStudy (anonymous):

look above in the doc form

OpenStudy (anonymous):

k

OpenStudy (anonymous):

Okay. THink about the theorum they have used. Hint - What angles in the question are equal

OpenStudy (anonymous):

angle B is equal to itself .. we can use the reflexive theorem?? but I'm not so sure above the other angles..

OpenStudy (anonymous):

is there any corresponding angles here?

OpenStudy (anonymous):

No. I dont think it would help. The lines DE and AC are parallel. Look at the corressponding angles.

OpenStudy (anonymous):

Yes. Precisely. Angle BDE = Angle BAC And similarly the other one. Then by AA rule you prove the triangles similar, and the rest is given :)

OpenStudy (anonymous):

ohhh but .... whats the other angles that are corresponding.... so to fill in the proof... how would i do that?

OpenStudy (anonymous):

angles BDE = Angle BAC : BY the AA similarity postulate. ?

OpenStudy (anonymous):

No. Angles BDE = Angle BAC ( Since DE parallel to Ac -> Corresponding angles property) And BED = Angle BCA ( Same reason as above) ^^ These are the blanks.

OpenStudy (anonymous):

Ohhhhhh!! i see now... THANKS siddhantsharan!! :) <3 you really hellpeddd

OpenStudy (anonymous):

Haha. Anytime :)

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