Use the Cosine Rule to find this
cos <B = [b^2 - a^2 - c^2] / -2ac
= [ 4^2 - 10^2 - 11^2] / -2*10*11
= 0.93182
so m < B = 21.3 degrees to nearest tenth. Answer
Answer:
It would be 150 I believe.
Step-by-step explanation:
Hope this helps and good luck!
Answer:
1/100
Step-by-step explanation:
It has 9 perpendicular lines.
B,D is the answer for your question