Answer:


Step-by-step explanation:
Given
See attachment for triangles
Solving (a)

The tan of an angle is:

From the given triangle.


So, we have:

Solving (b)

The cos of an angle is:

From the given triangle.


So, we have:

Answer:
the answer is the first choice .
Answer: 13:15
26:30
39:45
52:60
Step-by-step explanation:
Answer:
252 cph
Step-by-step explanation:
756 divide by 3 is 252