Two angles are complementary if the sum of their measures is $90^\circ$.

Given that one angle is $37^\circ$, we can find the other angle by subtracting $37^\circ$ from $90^\circ$:

$\text{Other angle} = 90^\circ - 37^\circ = 53^\circ$

So, the measure of the other angle is 53°.

The correct answer is:
b) 53°

Would you like further explanation or have any additional questions?

Here are some related questions:

1. What is the relationship between complementary and supplementary angles?
2. How do you find the measure of one angle when two angles are supplementary?
3. If two angles add up to 180°, what type of angles are they called?
4. What is the sum of the interior angles of a triangle?
5. How do you solve problems involving complementary and supplementary angles in real-world contexts?

Tip: When working with complementary angles, always remember that their sum is exactly $90^\circ$.