∠a的余角为:
90°-∠a
=90°-32°47′
=89°60′-32°47′
=(89°-32°)+(60′-47′)
=57°+13′
=57°13′
∠a的补角为:
180°-∠a
=180°-32°47′
=179°60′-32°47′
=(179°-32°)+(60′-47′)
=147°+13′
=147°13′
∠a的余角为57°13′,∠a的补角为147°13′
∠a的余角为:
90°-∠a
=90°-32°47′
=89°60′-32°47′
=(89°-32°)+(60′-47′)
=57°+13′
=57°13′
∠a的补角为:
180°-∠a
=180°-32°47′
=179°60′-32°47′
=(179°-32°)+(60′-47′)
=147°+13′
=147°13′
∠a的余角为57°13′,∠a的补角为147°13′