Important Questions Class 10 Maths Chapter 12 Areas Related to Circles is a very important resource for students preparing for X Board Examination. Here we have provided Solutions for Important questions of Class 9 Maths Chapter 12 Areas Related to Circles. Students who are preparing for their final exams for the academic sessions can practice these questions to get better marks. All the problems are based on the NCERT book and CBSE syllabus, presented by our Math experts. In this article, we will solve heron’s formula extra questions with answers.
Areas Related to Circles Class 10 Important Questions
Question 1.
If the area of a circle is equal to sum of the areas of two circles of diameters 10 cm and 24 cm, calculate the diameter of the larger circle (in cm)
Question 2.
In Figure , find the area of the shaded region.
Question 3.
The length of the minute hand of a clock is 14 cm. Find the area swept by the minute hand in 5 minutes.
Question 4.
In Figure, a square OABC is inscribed in a quadrant OPBQ of a circle. If OA = 20 cm, find the area of the shaded region. (Use π = 3.14)
Question 5.
Find the area of the major segment APB, in the figure of a circle of radius 35 cm and ∠AOB = 90°. (Use π = 22/7)
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Question 6.
A chord of a circle of radius 14 cm subtends an angle of 120° at the centre. Find the area of the corresponding minor segment of the circle. (Use π = 227 and √ 3 = 1.73]
Question 7.
In Figure, O is the centre of a circle such that diameter AB = 13 cm and AC = 12 cm. BC is joined. Find the area of the shaded region. (Take π = 3.14)
Question 8.
In Fig., AB and CD are two diameters of a circle with centre 0, which are perpendicular to each other. OB is the diameter of the smaller circle. If OA = 7 cm, find the area of the shaded region. (Use π = 227)
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Question 9.
In Figure, an equilateral triangle has been inscribed in a circle of radius 6 cm. Find the area of the shaded region. [Use π = 3.14]
Question 10.
In Figure, three circles each of radius 3.5 cm are drawn in such a way that each of them touches the other two. Find the area enclosed between these three circles (shaded region). [Use π = 227]
