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Learn what is a 180 degree angle, also known as a straight angle, and how to draw it using a protractor or a compass. Find out the properties, types and formulas of angles and solve problems on 180 degrees.
- What is the 180-degree angle?The 180-degree angle is called a straight angle.
- What does a 180-degree angle appear like?A 180-degree angle looks like a straight line.
- How to find a 180-degree angle?We can easily draw a 180-degree angle using a protractor or a compass.
- How many 90 degree angles are in a 180-degree angle?Two 90 degrees angles add up to a straight angle.
- Is the straight angle and 180 -degree angle the same?Yes, straight angle and 180-degree angle are the same.
- What are 180 degrees for a triangle?For a triangle, the sum of all the interior angles is equal to 180 degrees. Also, the sum of each interior angle and exterior angle of a triangle i...
- What is the name of a 360-degree angle?A 360-degree angle is called full angle or full rotation.
Learn how to use parallel lines, transversals, and corresponding angles to prove that the sum of the interior angles of a triangle is 180°. Watch a video, read a transcript, and see questions and comments from other learners.
- 4 min
- Sal Khan
- What is the sum of the exterior angles of a triangle?The sum of the exterior angles of a convex polygon (closed figure) is always 360°. Watch this video: http://www.khanacademy.org/math/geometry/polyg...
- An easier way to explain it. A square is 360, because 90 + 90 + 90 + 90 = 360. And a square is two t...ily for this
- At 0:01, Sal mentions that he has "drawn an arbitrary triangle." What is an arbitrary triangle?Arbitary just means random. Sal means he just drew a random triangle with sides of random length.
- If the angles of a triangle add up to 180 degrees, what about quadrilaterals? Are there any rules fo...Consider a square. All the sides are equal, as are all the angles. A square has four 90 degree angles. 90 x 4 = 360. Any quadrilateral will have an...
- Is there a more simple way to understand this because I am not fully under standing it other than ju...Try finding a book about it at your local library. They may have books in the Juvenile section that simplifies the concept down to what you can und...
- And how is this going to help us pay taxes as adults?even if they taught taxes, I'm sure everyone would still zone out
- why cant i flyI assume because your parents will not buy you a plane ticket.
- what is a median and altitude in a triangleA median in a triangle is a line segment that connects any vertex of the triangle to the midpoint of the opposite side. An altitude in a triangle i...
- At 0:25, Sal states that we are using our knowledge of transversals of parallel lines. What does tha...A transversal is a line that intersects a pair of parallel lines. The angles that are formed between the transversal and parallel lines have a defi...
Learn what a 180 degree angle is, how to draw it using a protractor or a compass, and how it relates to other angles. Find facts, examples, practice problems and frequently asked questions about 180 degree angle.
Learn what a 180-degree angle is, how to draw it with a protractor or a compass, and see real-life examples of this straight angle. Find worksheets, practice questions, and FAQs on 180-degree angles.
People also ask
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Learn what a 180 degree angle is, how to draw it, and how to find it in everyday life. Explore the types of angles, solved examples and frequently asked questions about straight angles.
5 days ago · Learn what a 180 degree angle is, how to draw it, and its properties. Find out the difference between a straight angle and a straight line, and see solved examples of angles.
Learn how to use the fact that the angles in a triangle add up to 180° to find a missing angle. See examples, interactive diagrams and a proof of this property.
