Assertion: right triangle's angle | /r/HasProperty | complementary
Facets:
value: in a right triangle
type: LOCATION
Source sentences:
text: The acute angles of a right triangle are complementary.
text: Two angles are called complementary if their sum is a right angle.
text: Since these angles are complementary, it follows that each measures 45 degrees.
text: The point about complements is that, in a right triangle, the two acute angles are complementary.
text: Using the fact that the acute angles of a right triangle are complementary, once one acute angle is known, the other can be calculated.