Question

EXERCISE 5.1
1. Find the complement of each of the following angles:
i. 20°
ii. 63°
iii. 57°​

Answer 1

Answer:

The complements are- 70°,27°and33°.

{As if we add two numbers it gives 90°}

Answer 2

The sum of the measures of complementary angles is 90º.

(i) 20°

Complement = 90° − 20°

= 70°

(ii) 63°

Complement = 90° − 63°

= 27°

(iii) 57°

Complement = 90° − 57°

= 33°

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