Problema Solution
What does it mean to refer to a 20-inch TV set? Such units refer to the diagonal of the screen. A 30-inch TV set also has a width of 24-inches. What is the height?
What is the height of a 30-inch TV? ____ inches
Answer provided by our tutors
a^2 + b^2 = c^2
c = the diagonal, and a and b are the width and height
:
A TV with a 30" screen and a width of 24"
a = 24
c = 30
b = height
:
24^2 + b^2 = 30^2
576 + b^2 = 900
b^2 = 900 - 576
b^2 = 324
b = 18 answer