The term 'opposite angles' refers to the pair of angles that are positioned across from each other, formed by the intersection of two lines. Antonyms for opposite angles include 'adjacent angles' and 'consecutive angles.' An adjacent angle is the one next to the other angle, sharing one common side, while consecutive angles refer to the set of angles that are positioned next to each other in a series. Other antonyms for opposite angles may include 'parallel lines,' where the lines never meet and no angles are formed, and 'complementary angles,' which are angles that add up to 90 degrees. Understanding the different categories of angles is crucial in geometry and helps in problem-solving and measurement of shapes.

What are the antonyms for Opposite angles?

• Other relevant words:

• allied
,
• identical
,
• like
,
• same
.

Famous quotes with Opposite angles

• In geometry the following theorems are attributed to him [Thales]—and their character shows how the Greeks had to begin at the very beginning of the theory—(1) that a circle is bisected by any diameter (Eucl. I., Def. 17), (2) that the angles at the base of an isosceles triangle are equal (Eucl. I., 5), (3) that, if two straight lines cut one another, the vertically opposite angles are equal (Eucl. I., 15), (4) that, if two triangles have two angles and one side respectively equal, the triangles are equal in all respects (Eucl. I., 26). He is said (5) to have been the first to inscribe a right-angled triangle in a circle: which must mean that he was the first to discover that the angle in a semicircle is a right angle. He also solved two problems in practical geometry: (1) he showed how to measure the distance from the land of a ship at sea (for this he is said to have used the proposition numbered (4) above), and (2) he measured the heights of pyramids by means of the shadow thrown on the ground (this implies the use of similar triangles in the way that the Egyptians had used them in the construction of pyramids).

  Thomas Little Heath

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