In A $30 ^ { \circ } - 60 ^ { \circ } - 90 ^ { \circ }$

question 99

Essay

In a $30 ^ { \circ } - 60 ^ { \circ } - 90 ^ { \circ }$ triangle, the length of the shorter leg is $5 \sqrt { 5 }$ cm. Find the length of the hypotenuse. Give the exact answer.