Answer:
The square root of 208 cm or approximately 14.4 cm
Explanation:
There is formula called the Pythagorean theorem and it is a^2 + b^2 = c^2
Where a is equal to height and b is equal to the base.
To put the numbers into the formula:
12^2 + 8^2 = c^2
144 + 64 = c^2
208 = c^2
sqrt (208) cm = c