Thank you it’s Geomtry 9th grade

Question

asked Jan 7, 2024 45.8k views

1 Answer

asked Oct 22, 2024 114k views

Thomas Denney asked Oct 22, 2024

7.7k points

1 answer

3 votes

114k views

asked Feb 23, 2024 143k views

Bernard Rosset asked Feb 23, 2024

8.7k points

1 answer

4 votes

143k views

asked Sep 15, 2024 157k views

PhistucK asked Sep 15, 2024

8.0k points

1 answer

0 votes

157k views

Uml · Answer 1 · 2024-01-11T10:15:39+0000

Explanation:

Just plugging into the equation given

BC^2 = 30^2 + 21^2 - 2 (30)(21) cos 123

BC^2 = 900 + 441 + 1260 cos (123)

BC = 45 units