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Find the complement of each of the following angles:
(a) 20° (b) 63° (c) 57°
Given :
The given angles are
(a) 20° (b) 63° (c) 57°
To find :
We have to find the complement of the given angles.
Solution :
An angle is said to be the complement of another angle if their sum is $90°$. If x is
an angle, then its complement is $90° - x$.
(a) 20°
Complement of $20° = 90° - 20° = 70°$.
Complement of $20° = 70°$
(b) 63°
Complement of $63° = 90° - 63° = 27°$.
Complement of $63° = 27°$
(c) 57°
Complement of $57° = 90° - 57° = 33°$.
Complement of $57° = 33°$
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