Help with geometry of the circle~ (1 Viewer)

[carlytse621]

For part a, I said parallelogram coz the hint said that.

but I can't prove the thing in part b~

Can anyone help me with this quiz plz~

Thanks

 

[Iruka]

Well, its a rectangle, actually.

You need to prove that triangles OBX and HCY are congruent (Hint: RHS), and thus OX=HY.

 

[omniscience]

1 + 1 = 2

 

[carlytse621]

Well, its a rectangle, actually.

You need to prove that triangles OBX and HCY are congruent (Hint: RHS), and thus OX=HY.

thx for help~

But i want to prove OH parallel to AD.....

 

[Iruka]

Once you have proved that it is a rectangle it follows that the opposite sides are parallel.

 

[carlytse621]

I proved!!!!!!!!!!!

Thanks for helping =]