
Introducing your new favourite teacher - Teachoo Black, at only ₹83 per month
Ex 11.3
Ex 11.3, 1 (b) Important
Ex 11.3, 1 (c)
Ex 11.3, 2 (a) Important
Ex 11.3, 2 (b) Important You are here
Ex 11.3, 2 (c)
Ex 11.3, 3
Ex 11.3, 4 Important
Ex 11.3, 5 Important
Ex 11.3, 6
Ex 11.3, 7 Important
Ex 11.3, 8
Ex 11.3, 9 Important
Ex 11.3, 10 Important
Ex 11.3, 11
Ex 11.3, 12 Important
Ex 11.3, 13 Important
Ex 11.3, 14
Ex 11.3, 15
Ex 11.3, 16 Important
Ex 11.3, 17 Important
Last updated at Oct. 25, 2021 by Teachoo
Ex 11.3, 2 Find the area of the following circles, given that: (b) diameter = 49 m Diameter = 21 cm Radius = r = 𝐷𝑖𝑎𝑚𝑒𝑡𝑒𝑟/2 = 49/2 m Now, Area of circle = 𝜋 r2 = 22/7 × (49/2)^2 = 22/7 × 49/2 × 49/2 = 11/7 × 49/1 × 49/2 = 11/1 × 7 × 49/2 = (77 × 49)/2 = 3773/2 = 1886.5 m2 ∴ Required area is 1886.5 m2