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With the protracter,

its 180 degrees!!

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15y ago
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Q: How do you find the unknown angle of a straight line?
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Related questions

Is there a difference between a line and a straight angle?

yes a straight angle is a 180 degree angle and a line is just a straight line


What is a 180 degrees angle called?

A straight angle also known as a line


An angle whose sides make a line is called?

A 180 Degree angle therefore a straight line.


Is a angle of 100 degrees a straight line?

No. An angle of 180o is a straight line.


How can you find out which angle is supplementary?

the angle on a straight line is 180 degrees, the angle of semicircle at centre is 180 degrees


Is straight line consider an angle?

Yes a straight line is considered an angle as the line which is inclined on the base line has 0degree angle on the base line .


What angle is found on a straight line?

a straight line is also called a straight angle. it is 180 degrees.


What does a straight angle makes?

A straight angle (180 degrees) makes a perfectly straight line. Any degree below 180 degrees (0-179 degrees) is NOT a straight angle NOR a straight line. straight angle = 180 degrees straight angle = straight line 180 degrees


What is an angle that measures 180?

a straight line, or straight angle


What angle is 180 degrees?

it is a straight line


Is it possible to draw a reflex angle so the other angle formed by the arm is straight?

Well, honey, a reflex angle is anything greater than 180 degrees, so if you draw one arm at a reflex angle, the other arm will have to be straight to connect the two ends. So technically, yes, it is possible to draw a reflex angle where the other angle formed by the arm is straight. But seriously, why are we even talking about this? Just grab a protractor and have fun drawing some funky angles!


Why is a straight angle not considered an angle in geometry?

A straight angle is an angle.