# The length of a rectangle is 8 cm and it's width is 6 cm. How do you find the length of the diagonal?

D = 10 cm

#### Explanation:

${D}^{2} = {8}^{2} + {6}^{2}$

${D}^{2} = 64 + 36$

${D}^{2} = 100$

$D = \sqrt{100}$

$D = 10 c m$