If ∠LKJ and ∠GHI are complementary angles, what is the angle measure of ∠GHI?

A. 66°

B. 56°

C. 124°

D. 146°

If ∠LKJ and ∠GHI are complementary angles, that means they add up to 90 degrees.

Let x be the measure of ∠GHI.
Then ∠LKJ = 90 - x.

Thus, the measure of ∠GHI is x°.
This means that ∠GHI = x° = 90 - x.

Simplifying the equation, we get:
2x = 90
x = 45

Therefore, the measure of ∠GHI is 45°.

The correct answer is not among the given options.