How do you find the vertex of a circle?

Question

Is there a way to find the vertex of a circle? Like, say there is a circle and you need to find the diameter of it. You can only do that if you know where the vertex is so how do you do it?

Answer 1

To find the center of a circle, draw a chord (line segment) from one point on the circle to a second point on the circle. Then find the perpendicular bisector of this segment. The center will be somewhere on that bisector.

So if you do this a second time, the center will be where the two bisectors intersect.

If you don't know how to bisect a line segment, just say so and I can explain that as well.

I hope this helps!

Answer 2

Vertex Of A Circle

Answer 3

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RE:
How do you find the vertex of a circle?
Is there a way to find the vertex of a circle? Like, say there is a circle and you need to find the diameter of it. You can only do that if you know where the vertex is so how do you do it?

Answer 4

Looking for a corner of the circle? Is that what you asked?

If you have a circle with unknown diameter, pick any point outside of it, and draw 2 lines from the point tangent to the circle. Then bisect the angle formed, and extend the bisector through the circle. Since it will go through the center of the center, you can then easily see the diameter of the circle.

Answer 5

So if ur looking for its diamitar then u just draw a line from one point on the circle across, then draw another line going the opposite direction and find where they meet then take that draw it to the outside and multiply it by 2

Answer 6

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Let square be ABCD Diagonal AC = Diagonal DB = 10 units Diagonals bisect at E /_ AEB = 90° In triangle AEB :- AB² = 5² + 5² AB² = 50 AB = √ 50 Area ABCD = √50 x √50 units ² Area ABCD = 50 units ²