Скачать или смотреть Mensuration | Practice Set 7.3 Lecture 1 | SSC Class 10 Geometry | Maths Part 2 | Maharashtra Board

This Video explains Geometry Practice Set 7.3 Class 10 of Mensuration Chapter 7.

The lecture covers the following topics:

Understanding the concept of the Area of Sector of a Circle.
Memorizing the formula for calculating the area of a sector.
Exploring the relationship between the measure of an arc and the central angle.
Solving problems related to finding the area of a sector with given parameters.
Learning about the length of an arc of a circle and how to calculate it.
Applying the formula for the length of an arc and its connection to the circumference of a circle.
Deriving the formula that relates the Area of Sector of a Circle to the length of an arc.
Solving practical problems involving the length of an arc, radius, and sector area.
Exploring the distinctions between Major and Minor sectors of a circle.
Understanding the intricate relationship between the Area of a Circle, Major Sector, and Minor Sector.
Applying the learned concepts to calculate the area of the corresponding major sector.
Solving problems related to finding the length of the arc with a known radius and sector

#Geometry #Class10 #10thMaths #Mensuration

00:00 - ​Introduction01:00 - Introduction to Area of Sector of a Circle, How to remember the Formula for area of sector

05:40 - What is the measure of an arc, What is central angle, relation between measure of an arc and central angle

07:40 - Mathematics Class 10 Board Geometry Chapter 7 Practice Set 7.3 - Question 1:Radius of a circle is 10 cm. Measure of an arc of the circle is 54°. Find the area of the sector associated with the arc. (π = 3.14)

12:06 - Introduction to length of an arc of a circle, How to remember the Formula for length of an arc, relation between length of an arc and circumference of circle

16:57 - Maharashtra SSC 10 Maths 2 Chapter 7 Practice Set 7.3 - Question 2: Measure of an arc of a circle is 80° and its radius is 18 cm. Find the length of the arc. (π = 3.14)

20:37 - Std 10 Geometry Mensuration Practice Set 7.3 - Q.3 Long method: Radius of a sector of a circle is 3.5 cm and length of its arc is 2.2 cm. Find the area of the sector.

23:31 - Derivation of formula of relation between Area of Sector of a Circle and length of an arc of a circle

25:22 - Std 10 Geometry Mensuration Practice Set 7.3 - Q.3 using new formula: Radius of a sector of a circle is 3.5 cm and length of its arc is 2.2 cm. Find the area of the sector.

27:31 - What is a Major and Minor sector of a circle and the relation between Area of Circle, Area of Major Sector of a circle and Area of Minor Sector of a circle

31:38 - 10th Std Mensuration Practice Set 7.3 - Q.4: Radius of a circle is 10 cm. Area of a sector of the circle is 100 cm2. Find the area of its corresponding major sector, (π = 3.14)

34:31 - Question 5: Area of a sector of a circle of radius 15 cm is 30 cm2. Find the length of the arc of the sector.

36:31 - Practice Set 7.3 Question 6: In the adjoining figure, radius of the circle is 7 cm and m (arc MBN) = 60°, findi. Area of the circle.ii. A(O-MBN).iii. A(O-MCN).


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Lesson number 7 Mensuration is a very easy chapter as well as an opportunity for scoring good marks in Geometry for Standard 10th students