Solve the Problem $50 \sqrt { 2 } \mathrm {~cm}$ B) $50 \mathrm {~cm}$

Multiple Choice

Solve the problem.
-A square sheet of paper measures 50 centimeters on each side. What is the length of the diagonal of this paper?

A) $50 \sqrt { 2 } \mathrm {~cm}$
B) $50 \mathrm {~cm}$
C) $5000 \mathrm {~cm}$
D) $100 \mathrm {~cm}$