Answer:
The direct distance from Sid´s house to school is 8.5 miles.
Step-by-step explanation:
In this case we have to use a geometric law the law of Pythagoras, this could give calculate us the hypotenuse of a triangule having to known sides, this is:
Now we can replace the side a=3 miles and b=8 miles, this is:
Having this we can clear the c, and have the answer:
So the direct distance from Sid´s house to school is 8.5 miles.