Question

the measure of an angle is 54°. what is the measure of its complementary angle?

Explanation:

Define complementary angles

Using the Complementary Angles knowledge point

$$ x + y = 90^\circ $$

Set up the equation

Using the Complementary Angles knowledge point

$$ 54^\circ + x = 90^\circ $$

Solve for the unknown angle

Using the Complementary Angles knowledge point

$$ x = 90^\circ - 54^\circ = 36^\circ $$

Answer:

The measure of an angle is 54°. What is the measure of its complementary angle?
<blank>36</blank>°