Solve the Problem $25 \sqrt { 7 }$ B) $10 \sqrt { 7 }$

Multiple Choice

Solve the problem.
-Use the Pythagorean Theorem to find the length of the unknown side of the triangle. Write the answer as a radical in simplified form.

A) $25 \sqrt { 7 }$
B) $10 \sqrt { 7 }$
C) $5 \sqrt { 7 }$
D) 35