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NCERT Grade 7 Mathematics Chapter 10, Practical Geometry deals with construction of lines and geometrical figures. Students have learnt about different shapes and basic drawing of lines and segments. In this chapter, the learning of construction of geometrical shapes extends to drawing of parallel lines and some types of triangles.Â
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Construction Of A Line Parallel To A Given Line, Through A Point Not on The Line, Construction Of Triangles, Constructing A Triangle When The Lengths Of Its Three Sides Are Known (SSS Criterion), Constructing A Triangle When The Lengths Of Two Sides And The Measure Of The Angle Between Them Are Known. (SAS Criterion), Constructing A Triangle When The Measures Of Two Of Its Angles And The Length Of The Side Included Between Them Is Given. (Asa Criterion) And Constructing A Right-Angled Triangle When The Length Of One Leg And Its Hypotenuse Are Given (RHS Criterion) are the main topics covered in this chapter.Â
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Step-by-step demonstration, figures and diagrammatic representation make the learning of construction very easy and interesting to learn. Activities and exercises given at regular intervals; help to maintain the grip on the topic and enhance the learning experience.Â A part of Geometry, NCERT Grade 7 Mathematics Chapter 10, Practical Geometry will help the students to not only develop a grip of the topic but also master the concepts that will help them to perform better.
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Get 100 percent accurate NCERT Solutions for Class 7 Maths Chapter 10 (Practical Geometry) solved by expert Maths teachers. We provide step by step solutions for questions given in class 7 maths text-book as per CBSE Board guidelines from the latest NCERT book for class 7 maths. The topics and sub-topics in Chapter 10 Practical Geometry are given below.
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10.1 INTRODUCTION
10.2 CONSTRUCTION OF A LINE PARALLEL TO A GIVEN LINE,
THROUGH A POINT NOT ON THE LINE
10.3 CONSTRUCTION OF TRIANGLES
10.4 CONSTRUCTING A TRIANGLE WHEN THE LENGTHS OF
ITS THREE SIDES ARE KNOWN (SSS CRITERION)
10.5 CONSTRUCTING A TRIANGLE WHEN THE LENGTHS OF TWO
SIDES AND THE MEASURE OF THE ANGLE BETWEEN THEM
ARE KNOWN. (SAS CRITERION)
10.6 CONSTRUCTING A TRIANGLE WHEN THE MEASURES OF
TWO OF ITS ANGLES AND THE LENGTH OF THE SIDE
INCLUDED BETWEEN THEM IS GIVEN. (ASA CRITERION)
10.7 CONSTRUCTING A RIGHT-ANGLED TRIANGLE WHEN THE LENGTH OF ONE LEG AND ITS HYPOTENUSE ARE GIVEN (RHS CRITERION).
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We cover all exercises in the chapter given below:-
EXERCISE 10.1 - 3 Questions with Solutions
EXERCISE 10.2 - 4 Questions with Solutions
EXERCISE 10.3 - 3 Questions with Solutions
EXERCISE 10.4 - 3 Questions with Solutions
EXERCISE 10.5 - 3 Questions with Solutions.
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Other than given exercises, you should also practice all the solved examples given in the book to clear your concepts on Practical Geometry. You can also download the free PDF of Chapter 10 Practical Geometry and take the print out to keep it handy for your exam preparation.