求:
1. ∠b弧之角度值为何?
a.68.557° b. 68.575° c.68.755°
2. c 弧之长度为何?
a. 68.4057 b. 68.4750 c. 68.4507
3. d 之半径值为何?
a. 14.1085 b. 14.1508 c. 14.1850
4. e 弧之长度为何?
a.99.4029 b.99.4209 c.99.2409
5. f 之长度为何?
a. 41.2925 b. 41.2295 c. 41.2529
求:
1. ∠b弧之角度值为何?
a.68.557° b. 68.575° c.68.755°
2. c 弧之长度为何?
a. 68.4057 b. 68.4750 c. 68.4507
3. d 之半径值为何?
a. 14.1085 b. 14.1508 c. 14.1850
4. e 弧之长度为何?
a.99.4029 b.99.4209 c.99.2409
5. f 之长度为何?
a. 41.2925 b. 41.2295 c. 41.2529