<span>Cos (90°- x)=-0.7
as</span><span>Cos (90°- x)=sinx
so sinx =-0.7</span>
Alright, lets get started.
Please refer the diagram I have attached.
The red line indicates the movement of student.
The movement of bird is indicated by orange line.
There will a right angle triangle made with sides measuring
One side will be = 0.5 miles
second side will be = 
The hypotenuse will be the orange one
So, using Pythagorean theroem,




Taking square root on both sides

So the bird has to fly 0.94 miles . : Answer
Hope it will help :)
Answer:
the answer is 259.9 because the result is 259.8834
Answer:
A
Step-by-step explanation:
y2-y1/x2-x1
(120-95)/100-50
25/50
slope=.50