NCERT Class 11 Maths Chapter 10 Constructions Problems Solutions and Free classes
#1
Free video classes for NCERT CBSE STD 10 Maths textbook chapter 11 constructions. The classes are taken by eminent faculty Smt Radhika Polina. These detailed classes will help you to learn the basic concepts of the chapter constructions, and to get solutions for all the exercises and problems in the chapter in a step by step manner.

The introduction video explains all the basic concepts in the chapter constructions, Watch the video carefully to get familiar with the basic concepts. The video also explains the solutions for the first the problems in the textbook.



NCERT Class 10 Maths Video Lessons and exercise solutions

Constructions| Part-1|Exercise  11.1 Problems 1-3

1. Draw a line segment of length 7.6 cm and divide it in the ratio 5 : 8. Measure the two parts.

2. Construct a triangle of sides 4 cm, 5 cm and 6 cm and then a triangle similar to it whose sides are2/ 3 of the corresponding sides of the first triangle.

3. Construct a triangle with sides 5 cm, 6 cm and 7 cm and then another triangle whose
sides are 7/ 5 of the corresponding sides of the first triangle.


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#2
NCERT Class 10 Maths Video Lessons and exercise solutions

Constructions| Part-2|Exercise 11.1 Problems 4-7


Teacher explains the following problems in this class

4. Construct an isosceles triangle whose base is 8 cm and altitude 4 cm and then another
triangle whose sides are 1 1/2 times the corresponding sides of the isosceles triangle.

5. Draw a triangle ABC with side BC = 6 cm, AB = 5 cm and ∠ ABC = 60°. Then construct a triangle whose sides are 3/ 4 of the corresponding sides of the triangle ABC.

6. Draw a triangle ABC with side BC = 7 cm, ∠ B = 45°, ∠ A = 105°. Then, construct a
triangle whose sides are 4 /3 times the corresponding sides of Δ ABC.

7. Draw a right triangle in which the sides (other than hypotenuse) are of lengths 4 cm and 3 cm. Then construct another triangle whose sides are 5 /3 times the corresponding sides of the given triangle.

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#3
NCERT Class 10 Maths Video Lessons and exercise solutions

Constructions| Part-3|Exercise 11.2 Problems 1-3

This  video explains the below problems of construction chapter:

1. Draw a circle of radius 6 cm. From a point 10 cm away from its centre, construct the pair of tangents to the circle and measure their lengths.

2. Construct a tangent to a circle of radius 4 cm from a point on the concentric circle of radius 6 cm and measure its length. Also verify the measurement by actual calculation.

3. Draw a circle of radius 3 cm. Take two points P and Q on one of its extended diameter each at a distance of 7 cm from its centre. Draw tangents to the circle from these two points P and Q.

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#4
NCERT Class 10 Maths Video Lessons and exercise solutions

Constructions| Part-4|Exercise 11.2 Problems 4 & 5

This  video explains the below problems of construction chapter:

4. Draw a pair of tangents to a circle of radius 5 cm which are inclined to each other at an angle of 60°.

5. Draw a line segment AB of length 8 cm. Taking A as centre, draw a circle of radius 4 cm and taking B as centre, draw another circle of radius 3 cm. Construct tangents to each circle from the centre of the other circle.

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#5
NCERT Class 10 Maths Video Lessons and exercise solutions

Constructions| Part-5|Exercise 11.2 Problems 6 & 7

This  video explains the below problems of construction chapter:

6. Let ABC be a right triangle in which AB = 6 cm, BC = 8 cm and ∠ B = 90°. BD is the perpendicular from B on AC. The circle through B, C, D is drawn. Construct the tangents from A to this circle

7. Draw a circle with the help of a bangle. Take a point outside the circle. Construct the pair of tangents from this point to the circle.


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