Check sibling questions

Ex 11.3, 1 - Chapter 11 Class 7 Perimeter and Area - Part 2

Get live Maths 1-on-1 Classs - Class 6 to 12


Transcript

Ex 11.3, 1 Find the circumference of the circles with the following radius: (𝑇𝑎𝑘𝑒 𝜋=22/7) (b) 28 mm Radius = r = 28 mm Circumference = 2𝜋r = 2 × 22/7 × 28 = 2 × 22 × 4 = 44 × 4 = 176 cm ∴ Circumference of circle is 176 mm

Ask a doubt
Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.