Angles at a Point Flashcards

GCSE Mathematics (Edexcel) 1MA1

Angles at a point

The sum of all angles around a point is 360°.

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Terms in this set (10)

1

Angles at a point

The sum of all angles around a point is 360°.

2

Angles on a straight line

The sum of angles on a straight line is 180°.

3

Reflex angle

An angle greater than 180° but less than 360°.

4

Full turn

A full turn around a point is equal to 360°.

5

Complementary angles

Two angles that add up to 90°.

6

Supplementary angles

Two angles that add up to 180°.

7

Vertically opposite angles

Angles opposite each other when two lines intersect. They are always equal.

8

Adjacent angles

Two angles that share a common side and a common vertex.

9

Measuring angles at a point

To find a missing angle at a point, subtract the sum of the known angles from 360°.

10

Angles in a reflex angle

To calculate the reflex angle, subtract the smaller angle from 360°.

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