SOLUTION: What is the length of a diagonal of a rectangle that is 30 cm long and 16 cm wide?

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Question 443385: What is the length of a diagonal of a rectangle that is 30 cm long and 16 cm wide?
Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
A diagonal through a rectangle cuts the rectangle into two equivalent triangles.
We can solve either one.
Recall the pythagorean theorem: a%5E2+%2B+b%5E2+=+c%5E2
16%5E2+%2B+30%5E2+=+c%5E2
256+%2B+900+=+c%5E2
1156+=+c%5E2
c+=+sqrt%281156%29+=+34
The diagonal is 34cm.