The exercise Chapter Description: Previously, we learned that circles are special ellipses that have a single constant radius around a center. Circles and the various properties of circles , such as radius, diameter, circumference, and area, have applications in real life. Many objects that we come across in our daily life are circular in shape � cycle wheels, wheelbarrow thela , dartboard, round cake, papad , drain cover, various designs, bangles, brooches, circular paths, washers, flower beds, etc.
If the radius of the circle is known, all the other parameters can be calculated. Important information can be determined for real-life applications Ch 10 Maths Class 10 Notes For Pdf based on the parameters. In this chapter Areas Related to Circles , we will learn to find the area of different circular shaped objects that we encounter in our daily life like painting a circular plate, finding the area of a circular field, etc.
We can also calculate the area of some part of a circle sector by using the angle made by them at the center of the circle. Lastly, you will also learn to calculate the area of a combination of plane figures. In our daily life, we find many objects to be round or circular in shape. Thus, having knowledge of Areas Related to Circles is of great significance. Questions from this chapter are asked frequently in various competitive examinations.
With little understanding of various terms used and basics of circles and areas related to circles, one can easily solve the problems related to this chapter. If the circumference of the circle is equal to the perimeter of the square, then the area of the circle is more than the area of the square. Start solving the problems and also take care of your speed and accuracy. Remember that solving on your own with proper understanding will build your confidence and eventually turn it into fun.
This will build your confidence and help you improve your conceptual knowledge and test-taking skills. Solving a variety of questions will improve your problem-solving skills. If you have any questions feel free to post them in the comment box below. We will get back to you as soon as possible.
Stay tuned on embibe. Support: support embibe. General: info embibe. These NCERT solutions can be used as a quick reference and revision material before the tests or exams. Students can not only learn from these solutions but also use them to complete their assignments and homework. How the area of a circle and a square is related if the circumference of the circle is equal to the perimeter of the square. The radius of the park is 10 m. You are given a square that can be inscribed inside a circle with a radius of 8 cm.
Find the area of the square. The area of the square is cm 2. There are two circles given with diameters 36 cm and 20 cm. Calculate the radius of a circle whose circumference is equal to the sum of the circumferences of the given circles.
The radius of the circle is 28 cm. You are given a circle with a circumference of 22 cm. Determine the area of a quadrant of this circle. The area of the quadrant is 9.
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