Answer:
Read the explanation
Step-by-step explanation:
look at the photo
a = ln(60)
The 3 inside angles of a triangle need to add up to 180 degrees.
You have two angles of 104 and 36.
A = 180 - 104 - 36 - 40
The answer is 40
1 = 1.61
30 = x
1.61 x 30 =
48.3
18=9×2
27=3*9
36=4*9
45=5*9