SOLUTION: The length of a rectangle is 5 centimeters, and the width is 4 centimeters. Find the length of a diagonal. a. 20 centimeters b. square root of 41 centimeters c. 9 centimeters d

Question 282041: The length of a rectangle is 5 centimeters, and the width is 4 centimeters. Find the length of a diagonal.
a. 20 centimeters
b. square root of 41 centimeters
c. 9 centimeters
d. 2, square root of 5 centimeters
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

If

is the measure of the diagonal,

is the measure of the length, and

is the measure of the width, then the length, width, and diagonal are related in the same way that the sides are related to the hypotenuse in a right triangle, namely:

which is to say:

All you have to do is the arithmetic. Goodnight Mr. Pythagoras, wherever you are.

John

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