How do you find the area of a rectangle whose diagonal measure 12 inches and whose width measures 6 inches?
1 Answer
Apr 28, 2016
Area = width x height
Explanation:
Let the width be
Let the height be
Let the diagonal be
Using Pythagoras
We need to determine the value of
Subtract
But
Square root both sides
But
Substituting known values
'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Finding the exact value
'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Area = width x height