, 21.06.2019yehnerthannah

# Through non-collinear points there is exactly one plane.

## Answers ghazanfarwaheed7967
It is 3 as someone else stated above:) noeminm105
Dude the answer is B lol lagster11
B) Three

A plane is a flat 2D surface. It is a rule that you need at least 3 points to know the orientation (angle) of the plane. Two points would only be able to form a line, and though that line can be going through the plane, you won't be able to know what orientation (angle) that plane is at. dariusardelean8700

Step-by-step explanation:

Given are some properties of triangles and we have to check whether they are correct

i) Only two of three angle bisectors of the internal angles of a triangle are concurrent.

This is incorrect since all three angle bisectors concur at incentre

ii) The circumcenter of a triangle is the point where the perpendicular bisectors of the sides meet.

-- correct because the meeting point is equidistant from all three vertices

iii) Given any three non-collinear points, there exists exactly one circle that passes through the points.

-- correct because any three points determine a circle

iv) Given any three non-collinear points, there exists exactly one circle that passes through the points.

-- Correct

v) The incenter of a triangle is the point where the angle bisectors meet.

-- Correct and the centre is equidistant from the sides of the triangle Lianabel0517

I believe it is 3 non-collinear points. martinezizzie

it’s the 2nd, 3rd and 5th one unknown5351
16. one point, and only one

17. one, and only one

18. a line

19. one and only one plane tarangorogelio
16 a point
17 one
18 a line
19 one plane

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