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Two angles that can be trisected with a straightedge and compass are a 90 degrees angle and what other degree of angle?
45 and 90 degree angles
Are all straight angles straight lines?
Think about this: A straight angle makes 180 degrees, right? Straight lines, when measured by a compass, are also 180 degrees. So, yes, all straight angles are straight lines.
How do you construct angles without using protractor?
you might not be able to construct all the angles, but using a compass you can construct some angles by constructing angular bisectors. eg:construct angular bisector of straight line i.e; 180 degrees it gives 90 degrees
How do you construct an angle of 135 degrees using compass?
In addition to a compass, you WILL need a straight edge.Draw a long straight line.Using the compass and straight edge, and standard procedures, draw a perpendicular bisector of the line.Then, using other standard geometrical construction procedures, bisect one of the right angles to produce a 45 degree angle.The remaining right angle and the 45 degree angle next to it will be 135 degrees - as required.
Two adjacent angles that form a straight line?
they are called supplementary angles. a straight line has 180 degrees each side and two adjacent angles forming 180 degrees are called supplementary angles.
Two angles that can be trisected with a straightedge and compass are a 90 degrees angle and what other degree of angle?
45 and 90 degree angles
Are all straight angles straight lines?
Think about this: A straight angle makes 180 degrees, right? Straight lines, when measured by a compass, are also 180 degrees. So, yes, all straight angles are straight lines.
How do you construct angles without using protractor?
you might not be able to construct all the angles, but using a compass you can construct some angles by constructing angular bisectors. eg:construct angular bisector of straight line i.e; 180 degrees it gives 90 degrees
What is a straight angles degrees?
If you mean a straight line, then 180 degrees.
What is least count of prismatic compass?
The least count of a prismatic compass is typically 0.5 degrees. This means that the compass can measure angles accurately to within 0.5 degrees.
What does an angle of 180 degrees called?
It is a straight line because angles on a straight line add up to 180 degrees but angles greater than 180 degrees are reflex angles
How do you construct an angle of 135 degrees using compass?
In addition to a compass, you WILL need a straight edge.Draw a long straight line.Using the compass and straight edge, and standard procedures, draw a perpendicular bisector of the line.Then, using other standard geometrical construction procedures, bisect one of the right angles to produce a 45 degree angle.The remaining right angle and the 45 degree angle next to it will be 135 degrees - as required.
An angle measure 180 is called?
Angles that are 180 degrees (θ = 180°) are known as straight angles. • Angles between 180 and 360 degrees (180°< θ < 360°) are called reflex angles.
How many degrees in 2 straight angles?
180 degrees
What is the least count of prismatic compass?
The least count of a prismatic compass is typically 0.5 degrees. This means that the compass can measure angles accurately to the nearest 0.5 degrees.
Is any line a straight angle?
Straight lines are straight angles (180 degrees)
What are angles that together measure 180 degrees?
A straight angle is an angle that measures 180 degrees and is drawn as a straight line. A straight angle is composed of two right angles whose measures are 90 degrees each.
