Answer:
68 degrees
Explanation:
The sum of two complementary angles is 90 degrees
If <a and <b are complementary, then;
<a + <b = 90
Given
<a = 22 degrees
Required
<b
Substitute into the given expression;
22 + <b = 90
<b = 90-22
<b = 68 degrees
Hence the measure of <b is 68 degrees