The statement that "If two adjacent angles form a right angle, then the angles are complementary", is true
The conditional is given as:
If two adjacent angles form a right angle, then the angles are complementary
As a general rule, complementary angles add up to 90 degrees i.e. right angle
This means that adjacent angles that add up to 90 degrees are complementary angles
Hence, the statement that "If two adjacent angles form a right angle, then the angles are complementary", is true
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