JEE (Based on NTA Guidelines-IIT Engg.) Mains Chemistry Coaching Programs
πΉ Video Course 2024 (0 Lectures [0 Mins]): Offline Support
Click Here to View & Get Complete Material
Rs. 100.00
1 Month Validity (Multiple Devices)
β³ π― Online Tests (1 Tests [30 Questions Each]): NTA Pattern, Analytics & Explanations
Click Here to View & Get Complete Material
Rs. 100.00
3 Year Validity (Multiple Devices)
π Study Material (159 Notes): 2024-2025 Syllabus
Click Here to View & Get Complete Material
Rs. 350.00
3 Year Validity (Multiple Devices)
π― 144 Numeric, 2994 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Click Here to View & Get Complete Material
Rs. 650.00
3 Year Validity (Multiple Devices)
NCERT Class 10 Mathematics Solutions: Chapter 12- Areas Related to Circles Exercise 12.3 Part 6
1. On a square handkerchief, nine circular designs each of radius are made (see in the figure) . Find the area of the remaining portion of the handkerchief. .
Answer:
Number of circular design
Radius of the circular design
There are three circles in one side of square handkerchief.
Side of the square
Area of the square
Area of the circle
Total area of the design
Area of the remaining portion of the handkerchief = Area of the square - Total area of the design
2. In the given figure, is a quadrant of a circle with centre and radius . If , find the area of the
(i) Quadrant ,
(ii) Shaded region
Answer
Radius of the quadrant
Answer: (i)
Area of quadrant
Answer: (ii)
Area of triangle BOD
Area of shaded region = Area of quadrant - Area of triangle BOD