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What are externally tangent circles?
Externally tangent circles are two circles that touch each other at exactly one point, with their centers lying on opposite sides of the point of contact. This point of tangency is the only point where the circles intersect, and they do not overlap. The distance between their centers is equal to the sum of their radii.
If two lines intersect then they intersect in exactly one what?
If two lines intersect, they intersect in exactly one point. This point is the location where the two lines cross each other in a two-dimensional plane. In Euclidean geometry, two distinct lines can either intersect at one point or be parallel, in which case they do not intersect at all.
Do two distinct planes intersect in a pair of lines?
No. The planes must either coincide (they are the same, and intersect everywhere), be parallel (never intersect), or intersect in exactly one line.
Could three planes intersect in exactly one point?
no
Will the graph of a system of parallel lines intersect at exactly 1 point?
Parallel lines don't intersect, no matter how many of them there are.
What are two coplanar circles that intersect at exactly one point?
Tangent circles.
What different relationships can occur between two coplanar lines?
-- They can be parallel, with no points in common, or -- They can intersect in exactly one point.
What is a tangent internally?
Two circles in the same plane are externally tangent if they intersect in exactly one point and their intersection of their interiors is empty.
If two planes intersect do they intersect in exactly one plane?
No, two planes do not intersect in exactly one plane unless the planes are exactly overlapping, making one plane. In Euclidean Geometry two planes intersect in exactly one line.
A plane figure formed by coplanar segments such that each segment intersects exactly two other segments and no two segments with a common endpoint are collinear?
If each segment intersects exactly two other segment but could, if extended, intersect the third, then the figure is a quadrilateral. Otherwise it is a parallelogram.
Do planes intersect in exactly two points?
No. Either they do not intersect at all, or they intersect in a straight line or are the same.
Are all points of a cube coplanar?
Individual points on one side of the cube are coplanar. Points on one side might not nessasarily be coplanar with points on another side. The corners of a cube are exactly coplanar to three planes, but not all planes of the cube. In fact, no point on the cube is coplanar to all other points on the cube.
If two lines intersect then they intersect in exactly one what?
If two lines intersect, they intersect in exactly one point. This point is the location where the two lines cross each other in a two-dimensional plane. In Euclidean geometry, two distinct lines can either intersect at one point or be parallel, in which case they do not intersect at all.
To cross at exactly one point?
To intersect.
Do two distinct planes intersect in a pair of lines?
No. The planes must either coincide (they are the same, and intersect everywhere), be parallel (never intersect), or intersect in exactly one line.
How many Two planes intersect in exactly?
Two distinct planes will intersect in one straight line.
Could three planes intersect in exactly one point?
no
