问题
填空题
(1)23°30′=______°;(2)78.36°=______°______′______″.
答案
(1)∵23°30′中,30′÷60=0.5°,
∴23°30′=23.5°;
(2)∵78.36°中,0.36°×60=21.6′,又0.6′×60=36″,
∴78.36°=78°21′36″.
故答案为(1)23.5°;(2)78°21′36″.
(1)23°30′=______°;(2)78.36°=______°______′______″.
(1)∵23°30′中,30′÷60=0.5°,
∴23°30′=23.5°;
(2)∵78.36°中,0.36°×60=21.6′,又0.6′×60=36″,
∴78.36°=78°21′36″.
故答案为(1)23.5°;(2)78°21′36″.