Advik Solanki
Followers: 0 Following: 0
Feeds
提问
A triangle has sides a = 18cm, b = 35cm and c = 50cm. Define a, b and c as variables and calculate the angle γ by using the law of cosines: c 2 = a 2 + b 2 − 2ab cos γ.
a=18 b=35 c=50
2 years 前 | 0 个回答 | 0