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Do diagonal of a quadrilateral always intersect?
Not always. They would only intersect when the internal angles are each less than 180 degrees - which not all quadrilaterals have.
How can intersect but not perpendicular?
When lines cross at 90 degrees, they are perpendicular. Anything less than 90 degrees, or anything more than 90 degrees, is not perpendicular. An example of a perpendicular intersection would be a plus sign + . An example of a non-perpendicular intersection is the letter X . Hope this helps.
What type of angle is 195 degrees?
A 195-degree angle is classified as an obtuse angle because it is greater than 90 degrees but less than 180 degrees. Additionally, it is also considered a reflex angle since it measures more than 180 degrees, which means it is the larger angle formed when two lines intersect.
120 degree angle?
A 120-degree angle is an obtuse angle, meaning it is greater than 90 degrees but less than 180 degrees. It is formed when two lines intersect and the angle between them measures 120 degrees. In a triangle, a 120-degree angle would typically be found at one of the vertices.
When parrarel lines meets?
For most purposes in algebra and geometry, but especially geometry, parallel lines never meet. This should be the answer you give on nearly every question. However, speaking realistically, parallel lines can meet on planes of negative and positive curvature. An example of positive curvature would be a sphere; on a sphere, if you try to draw a triangle, the interior sum would be more than 180degrees and parallel lines would intersect. Similarly, on a plane of negative curvature like that of a surface of a saddle, the sum of the measures of the triangle would be less that 180 degrees and once again parallel lines will intersect.
