Question

The lengths of the legs of a right triangle are 8 inches and twelve inches. What is the exact length of the hypotenuse?

4 inches
the square root of twenty inches
the square root of forty inches
the square root of two hundred eight inches

Answer 1

Any ideas?

Answer 2

$$\Huge a^2 + b^2 = c^2$$

Answer 3

Let a = 8 and b = 12, then solve for c.

Answer 4

$$\huge 8^2 + 12^2 = c^2$$

Answer 5

$$64 + 144 = c^2$$