# Ex 5.1, 3 (vi) - 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, 3 Identify which of the following pairs of angles are complementary and which are supplementary. (vi) 80°, 10°80°, 10° Sum of angles = 80° + 10° = 90° Since sum is 90° They are complementary angles.

Ex 5.1

Ex 5.1, 1 (i)

Ex 5.1, 1 (ii)

Ex 5.1, 1 (iii)

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) You are here

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

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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.