Find the complement of each of the following angles:

Complementary angle = 90° – given angle
(i) Complement of 20° = 90° – 20° = 70°
(ii) Complement of 63° = 90° – 63° = 27°
(iii) Complement of 57° = 90° – 57° = 33°

Class 7 Maths Chapter 5 Exercise 5.1

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