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Mathematics 22 Online
OpenStudy (anonymous):

Help me!!!

OpenStudy (anonymous):

OpenStudy (sohailiftikhar):

it's simple look at the diagram tell how many triangles are present in it ?

OpenStudy (anonymous):

3 but what about BE?

OpenStudy (anonymous):

BD is not 4 ED is 4

OpenStudy (sohailiftikhar):

OH i mean take ABC triangle lol

OpenStudy (sohailiftikhar):

and find CA

OpenStudy (anonymous):

how to find 3rd side while no angle is given?

OpenStudy (anonymous):

why?

OpenStudy (sohailiftikhar):

look at the angle DAB it's 90 and it's divided by two equal parts means 45 , 45 now the angle CAB must be 45 ...now find 3rd side

OpenStudy (anonymous):

no DAB is not 90

OpenStudy (sohailiftikhar):

yes it's 90 |dw:1446972863993:dw|

OpenStudy (anonymous):

where did u get it? Not given in the question?

OpenStudy (sohailiftikhar):

don't can you see it's 90

OpenStudy (anonymous):

dont be silly you cant say an angle is look like 90 degrees just by looking at its type

OpenStudy (sohailiftikhar):

but you can measure it from diagram ..so speak in good manners

OpenStudy (anonymous):

i'm not trying to be rude english is not my main lanuage i dont believe it's 90 until a right explanation comes

OpenStudy (sohailiftikhar):

okay they say that BD is bisector means divided the line into to two equal parts and as is bisector so it's perpendicular to the line CA right ?

OpenStudy (anonymous):

you can say it's perpendicular only if ABC is isosceles triangle

OpenStudy (sohailiftikhar):

|dw:1446973457544:dw|

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