What is the angle that is half of its own complement?

Created: 8 months ago | Updated: 1 month ago

30 $°$

45 $°$

60 $°$

150 $°$

Job Solution Southeast Bank Ltd Southeast Bank Ltd - Trainee Officer - 05.02.2016 গণিত

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$T w o a n g l e s a r e c o m p l e m e n t a r y i f t h e i r s u m i s e q u a l t o 90 d e g r e e s . L e t x b e t h e a n g l e, t h e n i t s c o m p l e m e n t a r y a n g l e i s 90 - x . W e a r e t o l d t h a t t h e a n g l e i s h a l f o f i t z c o m p l e m e n t, s o x = 21 (90 - x) m u l t i p l y b y 2 2 x = 90 - x m o v e x t o l e f t s i d e 3 x = 90 d i v i d e b y 3 x = 30 T h e a n g l e i s 30 d e g r e e s .$

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