2²+3²

The formula to calculate the sum of squares is:

a² + b² = c²

In this case, a is 2 and b is 3. Plugging in the values, we get:

2² + 3² = c²

Simplifying the equation:

4 + 9 = c²

13 = c²

Taking the square root of both sides:

√13 = c

So, the value of c is approximately 3.605.