Question

Paul bought a photo frame which measured 10 inches in length and 8 inches in width. Determine the diagonal length of the photo frame.

Answer 1

Answer:

≈12.8

Step-by-step explanation:

hope this helps

Answer 2

Answer: 12.4 inches

Step-by-step explanation:

$c^{2}=a^{2} + b^{2} \\c^{2}=8^{2} + 10^{2}\\\sqrt{c^{2}=164$

c=12.8, c=-12.8

It can not be -12.8 as there's no such thing as a negative length. Therefore the diagonal length of the photo frame is 12.8 inches