Answer:
b ≈ 6
Explanation:
You can use the Pythagorean Theorem to solve this:
All you need to do is plug in the numbers into the formula (in this case, they've given you the hypotenuse, so you need to find the value of the leg):
4 +
= 36
Subtract 4 from both sides:
4 +
= 36
-4 -4
________
= 32
Square root:
b = 5.65
b ≈ 6