The measure of A is 64°.
Given that A and B are complementary angles and B = 26°.
The complement and the supplement of the two angles are determined by the sum of their measure. If the sum of the two angles equals the measurement of a right angle, then the pair of angles is called complementary angles. In other words, two angles that add up to 90 degrees are called complementary angles.
From the given A and B are complementary angles which means
A+B=90°
Substitute the value B=26°, we get
A+26°=90°
Subtract 26° from both sides, we get
A+26°-26°=90°-26°
A=64°
Hence, the measure of A when A and B are complementary angles and B=26° is 64°.
Learn more about complementary angles from here brainly.com/question/20728641
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