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Q: What lines are lines that form acute or obtuse angles?

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No, they don't. They form right angles.

An line that is not perpindicular to the other line makes an acute or obtuse angle Oblique lines are not parallel or perpendicular which would be lines that form acute or obtuse angles at the point of intersection.

Intersecting Lines

RAYS

Intersecting lines.

Or right angles. Or, technically, straight angles as well

Lines that are neither parallel nor perpendicular.

lines those of which contain points

intersecting lines * * * * * Non-perpendicular intersecting lines. Or else the angles would be right angles.

intersecting lines * * * * * Non-perpendicular intersecting lines. Or else the angles would be right angles.

Vertical equal opposite angles are formed when lines intersect each other.

Any pair or rays which are not mutually perpendicular.

acute, obtuse and right angles

They can but don't have to as long as they are intersecting it doesn't matter whatt type of angles they form. * * * * * NO! The fact that they are perpendicular means that they intersect at right angles. Not an acute angle, not an obtuse angle but a right angle. That is what perpendicular is.

If the 2 acute angles are equal and the 2 obtuse angles are equal then it could be a 4 sided quadrilateral in the form of a parallelogram or a rhombus

Not always because an obtuse angle is greater than 90 but less than 180 degrees

I'm not sure I understand your actual question, but what you are actually asking with the wording is false. Two 30 degree angles would both be acute angles whos sum would only create another acute angle of 60 degrees. But if you have 2 acute angles, then the third would have to be obtuse to form a triangle.

No, because they wouldn't add up to 180 degrees. An acute and obtuse COULD.

Providing that they are not perpendicular.

Yes, all perpendicular angles form 90 degree angles.

Yes if it is in the form of an isosceles triangle with the other 2 acute angles being equal

No, all the angle measures have to add up to 360 and opposite angles must be equal. So, you can only have two acute angles.

Roads don't always form an acute angle, they can form a right angle. If you are really picky, you might say that they can never form a perfect right angle, so two of the angles formed must be acute (and the other two obtuse).

An obtuse and an acute angle together are the two angles together that form a straight line. However, together they must add up to 180 degrees.

false