normarjohnson
10.09.2020 •
Mathematics
How to solve this just need to find missing angles
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Ответ:
Parallel lines are lines which are always the same distance apart and never meet. Arrowheads show lines are parallel.
Two parallel lines, intersected by another line
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
Corresponding angles are equal. The lines make an F shape. Notice that the F shape can be upside down or back to front.
Angles produced along a line, which is intersecting 2 parallel lines are identical
Alternate angles
Alternate angles are equal. The lines make a Z shape which can also be back to front.
Opposite angles on a set of parallel lines
Vertically opposite angles
Vertically opposite angles are equal.
Opposite angles produced by a line intersecting 2 parallel lines are identical