Assignment:
Q1. The formula r=2sqrt(5L) can be used to approximate the speed r, in miles per hour, of a car that has left skid marks of length L, in feet. How far will a car skid at 30mph?
Q2. What does it mean to refer to a 20 inch TV set or a 25 inch TV set? Such units refer to the diagonal of the screen. A 25 inch TV set also has a width of 20 inches. What is its height?
Q3. Give the formula to determine the sides of a right triangle.
Provide complete and step by step solution for the question and show calculations and use formulas.