Angles in parallel lines corbett maths

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Angles in parallel lines corbett maths

An introduction to alternate, corresponding and co-interior angles in parallel lines. Parallel lines are lines which are always the same distance apart and never meet. Arrowheads show lines are parallel. When a pair of parallel lines is cut with another line known as an intersecting transversal , it creates pairs of angles with special properties. Corresponding angles are equal. The lines make an F shape. Notice that the F shape can be upside down or back to front. Alternate angles are equal. The lines make a Z shape which can also be back to front. In this guide. Types of angle Angles at a point and on a straight line Angles in parallel lines Triangles Quadrilaterals Polygons Symmetry.

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Here we will learn about angles in parallel lines including how to recognise angles in parallel lines, use angle facts to find missing angles in parallel lines, and apply angles in parallel lines facts to solve algebraic problems. Angles in parallel lines are angles that are created when two parallel lines are intersected by another line called a transversal. We can use the information given in the diagram to find any angle around the intersecting transversal. Alternate angles , co-Interior angles, and corresponding angles. Vertically Opposite angles Vertically opposite angles are the same size. We know that vertically opposite angles are equal and we can show this around a point within our parallel lines:. If we extend the transversal line so that it crosses more parallel lines, the angles that are made are maintained throughout the diagram for any line that is parallel to the original line AB. Top Tip : for the same intersecting transversal, all the acute angles are the same size , and all the obtuse angles are the same size.

Angles in parallel lines corbett maths

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Fractions: Adding same denominators Video 23 Questions Answers. Division long Video 19a. Edexcel iGCSE. Log In. Multiplication Video 39 Questions Answers. BD and EG are parallel lines. Level Drawing a straight line that passes through two parallel lines creates a whole bunch of angles that are all related to each other. Confirm Password. Symmetry: Line Video 64 Questions Answers.

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Alternate angles. Angles: Types Video 7 Questions Answers. By clicking continue and using our website you are consenting to our use of cookies in accordance with our Cookie Policy. Filter by Exam Board. Order of Operations Video 44 Questions Answers. Area of a Triangle Video 10 Questions Answers. Get Started. Coordinates Video 13 Questions Answers. Question 3: BD and EG are parallel lines. Proportion and Ratio Video 52 Questions Answers. Factors Video 22 Questions Answers.