# Ex 5.1, 1 (iii) - Chapter 5 Class 7 Lines and Angles

Last updated at Sept. 3, 2021 by Teachoo

Last updated at Sept. 3, 2021 by Teachoo

Transcript

Ex 5.1, 1 Find the complement of each of the following angles: (iii)We know that, If two angles are complementary, their sum is 90° So, Angle 1 + Angle 2 = 90° 57° + Angle 2 = 90° Angle 2 = 90° − 57° Angle 2 = 33° So, Complementary of 57° is 33°

Ex 5.1

Ex 5.1, 1 (i)

Ex 5.1, 1 (ii)

Ex 5.1, 1 (iii) You are here

Ex 5.1, 2 (i)

Ex 5.1, 2 (ii)

Ex 5.1, 2 (iii)

Ex 5.1, 3 (i)

Ex 5.1, 3 (ii)

Ex 5.1, 3 (iii)

Ex 5.1, 3 (iv)

Ex 5.1, 3 (v)

Ex 5.1, 3 (vi)

Ex 5.1, 4 Important

Ex 5.1, 5

Ex 5.1, 6 Important

Ex 5.1, 7

Ex 5.1, 8 Important

Ex 5.1, 9 Important

Ex 5.1, 10

Ex 5.1, 11

Ex 5.1, 12 (i)

Ex 5.1, 12 (ii) Important

Ex 5.1, 13 (i) Important

Ex 5.1, 13 (ii)

Ex 5.1, 13 (iii)

Ex 5.1, 13 (iv)

Ex 5.1, 13 (v)

Ex 5.1, 13 (vi)

Ex 5.1, 14 Important

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.