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Delta ABC , shown below in the stan...

`Delta ABC ` , shown below in the standard (x,y) coordinate plane is equilateral with vertex A at (0,w) and vertex B on the x- axis as shown . What are the coordinates of vertex C ?

A

`(w,0)`

B

`(w,2w)`

C

`( w sqrt(3) ,w)`

D

`(wsqrt(3) ,2w)`

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D
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