Two sides of a triangle measure and

MATHEMATICS · Subjective · GCSE · Mathematics · Geometry and Measures · Geometry and Measures

Problem

Two sides of a triangle measure

9\,\text{cm}

and

11\,\text{cm}

. If the area of the triangle is

30\,\text{cm}^2

, find the possible length(s) of the third side, correct to one decimal place.