Answer:
c = 7.5 meters.
Step-by-step explanation:
hello :
use phtagore - rule :
c² = 6²+4.5²
c² = 36 + 20.25
c² =56.25
c = √56.25
c = 7.5 meters.
Answer:
m(angle1)=79-39=40
m(angle2)=79+61=140
Step-by-step explanation:
m(angle1)+m(angle2)=180
x-39+x+61=180
2x=158
x=79
m(angle1)=79-39=40
m(angle2)=79+61=140
Fine the length BC using the cosine law. Google the law and sub it in
the square root property is the correct option