Question

90°-38°
90-34°36'
90-49°18'42"
90°-56° 40"
I80 - 57°
180 -28°17'
180-47°19"
180 -8°17'39"
​

Answer 1

a 52, a b 20 , a c - 21 , d - 6 a e 123 a f 104 a última e 123