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TRANSVERSAL VOCABULARY

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Presentation on theme: "TRANSVERSAL VOCABULARY"— Presentation transcript:

1 TRANSVERSAL VOCABULARY

2 TRANSVERSAL a line that crosses at least two other lines

3 PARALLEL LINES Two lines on a plane that never meet. They are always the same distance apart.

4 PERPENDICULAR LINES Lines that are at right angles (90°) to each other.

5 ACUTE ANGLE An angle less than 90º

6 OBTUSE ANGLE An angle that is more than 90° but less than 180°

7 RIGHT ANGLE An angle which is equal to 90°, one quarter of a full revolution.

8 COMPLEMENTARY ANGLES Two angles that add up to 90 degrees (a Right Angle). They don't have to be next to each other, just so long as the total is 90 degrees.

9 STRAIGHT ANGLE An angle that measures 180º, a straight line

10 SUPPLEMENTARY ANGLES Two angles add up to 180 degrees. They don't have to be next to each other, just so long as the total is 180 degrees.

11 VERTICAL ANGLES Vertical Angles are the angles opposite each other when two lines cross. They are always equal.

12 ADJACENT ANGLES Two angles that have a common side and a common vertex (corner point), and don't overlap.

13 CORRESPONDING ANGLES Angles in matching corners of a transversal are called corresponding angles.

14 INTERIOR ANGLES An angle inside a shape or transversal

15 EXTERIOR ANGLES An angle on the outside of parallel lines that are crossed by a transversal

16 ALTERNATE INTERIOR ANGLES
The pairs of angles within a transversal that are • on opposite sides of the transversal  • but inside the two lines  These angles are equivalent

17 ALTERNATE EXTERIOR ANGLES
The pairs of angles within a transversal that are • on opposite sides of the transversal  • but outside the two lines  These angles are equivalent

18 CONSECUTIVE ANGLES The pairs of angles within a transversal that are • on SAME sides of the transversal  • but NEXT to each other. These angles add up to 180º


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