Question

рисунок. соответствующий ситуации- AB пересекаютсяс CD в точке M, EF пересекаюися с CD в точке N, AB параллельно EF, MN перпендекулярно AB

Answer 1

Примерно вот так получается

Answer 2

Situation Description

AB intersects CD at point M, EF intersects CD at point N, AB is parallel to EF, and MN is perpendicular to AB.

Solution

In this situation, we have a geometric scenario where AB intersects CD at point M, EF intersects CD at point N, AB is parallel to EF, and MN is perpendicular to AB. Based on this information, we can deduce the following:

1. Parallel Lines and Transversals: When a pair of parallel lines is intersected by a transversal, several pairs of congruent angles are formed. This is known as the Corresponding Angles Postulate, which states that if two parallel lines are cut by a transversal, then the pairs of corresponding angles are congruent.

2. Perpendicular Lines: When two lines are perpendicular, the angles formed at the point of intersection are right angles, meaning they measure 90 degrees.

3. Relationship between Angles: Given the perpendicularity of MN to AB, the angles formed at the intersection will be right angles.

Conclusion

In conclusion, the given geometric scenario involving the intersection of lines AB, CD, EF, and MN presents an opportunity to apply the principles of parallel lines, transversals, and perpendicular lines to determine the relationships between the angles formed at the intersections.