Answer:
1 Pm
Step-by-step explanation:
Answer:
angle B = 78.46°
Step-by-step explanation:
Use the cosine ratio


Hope this helps
Due to m<2 is a corresponding angle to m<6, the answer to the question is 146°.
Answer:
19 sides
Step-by-step explanation:
Sum of angles of n-side polygon = 180 *(n - 2)
180 *(n -2) = 3060
Divide both sides by 180
n- 2 = 3060/180
n - 2 = 17
n = 17+2
n = 19