Answer:
31
Step-by-step explanation:
Red: 7
Yellow: 2*Red =14
Blue = Yellow - 4 = 10
Total = 31
Trigonometric Functions:
You have the angle and the adjacent. You need to find the hypotenuse (PR). Therefore, you use cos.
Rearrange the formula to find H (PR):
14.463 ~ 14.5
7 + Y = X (x= His unknown age)