About RS Aggarwal Solutions Class 9 Maths Chapter 13 Geometrical Constructions
In Class 9 CBSE mathematics, one of the interesting chapters is "Geometrical Constructions." This chapter focuses on teaching students how to construct various geometrical figures using basic tools such as a ruler, compass, and protractor.
Introduction to the key concepts covered in the "Geometrical Constructions" chapter:
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Basic Construction Tools:
1. Ruler: Used to draw straight lines and measure lengths.
2. Compass: Used to draw circles and arcs of a given radius.
3. Protractor: Used to measure and draw angles.
4. Construction of Basic Geometrical Figures:
5. Construction of Line Segments: Given a line segment, students learn how to construct a line segment of the same length.
6. Construction of Angles: Students learn how to construct angles of given measures using a protractor.
7. Construction of Triangles: Students learn how to construct triangles using different combinations of side lengths and angles.
8. Construction of Quadrilaterals: Students learn how to construct various types of quadrilaterals, such as squares, rectangles, parallelograms, and rhombuses.
Bisecting Line Segments and Angles:
1. Bisecting a Line Segment: Students learn how to divide a line segment into two equal parts by constructing its perpendicular bisector.
2. Bisecting an Angle: Students learn how to divide an angle into two equal angles by constructing its angle bisector.
Perpendicular and Parallel Lines:
1. Construction of Perpendicular Lines: Students learn how to construct a line perpendicular to a given line at a given point.
2. Construction of Parallel Lines: Students learn how to construct a line parallel to a given line through a given point.
Exercise of RS Aggarwal Class 9 Chapter 13 Geometrical Constructions
Chapter 13 Geometrical Constructions Exercise 13