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Perpendicular
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∙ 10y ago
Alex Kim
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What is the line that makes an 90 degrees with a surface is called what?
It is called a right angle.
How many degrees right angle?
90 degrees 90 degrees
What is a level a tool which shows if an object has an even horizontal surface?
A level is a tool that is placed on a solid surface. There is a string hanging on the level, and if it tilts, the surface isn't an even horizontal surface. If the string doesn't tilt, the surface is even.
What is the complement of 83.5 degrees?
It is: 90-83.5 = 6.5 degrees
How do you rotate a triangle by 90 degrees clockwise?
rotate it 90 degrees
What surface is 90 degrees to a horizntail surface?
A wall is an example of a surface standing at 90 degrees from the horizontal.
In what direction is the polarization of the glare that reflects from a horizontal surface?
It is polarized at 90 degrees to the plane of incidence. If the surface is horizontal, the plane of incidence is vertical & the polarization would be horizontal.
A line perpendicular to a surface?
Would be at at 90 degrees to the surface, in other words at right angles. So a line which was perpendicular to a horizontal surface would be vertical.
What is a nonverticle line?
It is a line that is not at an angle of 90 degrees to the horizontal!
What line is perpendicular to a horizontal line?
A vertical line at 90 degrees
What is a line perpendicular to the horizontal called?
A right angle which is 90 degrees
How can you construct 135 degree angle only with a scale and compasses?
Construct a perpendicular line that intersects a horizontal line at 90 degrees and then bisect the vertical line with the horizontal line will give an obtuse angle of 135 degrees because 90 degrees+45 degrees = 135 degrees
A line is this when it is at 90 degrees to a horizontal base?
It is both perpendicular to the base and vertical.
What is a level called if it is vertical?
A line 90 degrees from horizontal is a plumb line.
Does an isosceles trapezium have any perpendicular lines?
In its normal orientation the parallel sides of a trapezium are horizontal. In that case it will have no perpendicular lines. But turn the figure through 90 degrees and it has two!In its normal orientation the parallel sides of a trapezium are horizontal. In that case it will have no perpendicular lines. But turn the figure through 90 degrees and it has two!In its normal orientation the parallel sides of a trapezium are horizontal. In that case it will have no perpendicular lines. But turn the figure through 90 degrees and it has two!In its normal orientation the parallel sides of a trapezium are horizontal. In that case it will have no perpendicular lines. But turn the figure through 90 degrees and it has two!
What do vertical angles add up to?
A vertical angle is perpendicular to a horizontal base and equals 90 degrees
What is an angle formed when a vertical line intersects a horizontal line?
Right angles (90 degrees) will be formed.
