To find AB(x) and BC(y), you can do(there are multiple ways you can do this):
tan A = 
tan 60° =
or (tan 60°) · 7 = y
tan 60° = 
√3 · 7 = y
7√3 cm = y
sin B = 
sin 30° =
or 
sin 30° =
= 
x = 
x = 14 cm
AB = 14cm
BC = 7√3 cm
Answer:
39-18 is 21.
Explanation:
Answer
345678 times 23456789
Do reciprical and multiply
The scientific notation is:
<u><em>1.0 x 10^-11</em></u>