Question

Carol bought a coloring book. It is 11 inches long and 8 inches wide. What is the diagonal length of the book?

Answer 1

13.6 inches

Explanation:

We can use Pythagorean theorem:
`c=\sqrt{a^(2) +b^(2) }`

Let c be the diagonal length, a for length, and b for width.

Substitute the values.

`c=\sqrt{11^(2)+8^(2) }`

c=13.6 inches